Home / 8,881.28-12,251.31-6,188.23

Finding the Fourth Proportional to 8,881.28, 12,251.31 and 6,188.23

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Solution

The fourth proportional to 8,881.28, 12,251.31 and 6,188.23 is: 8,536.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.28 : 12,251.31 = 6,188.23 : x
  2. Step 2: Convert to fraction form
    8,881.28/12,251.31 = 6,188.23/x
  3. Step 3: Cross multiply
    8,881.28x = 12,251.31 × 6,188.23
  4. Step 4: Simplify right side
    8,881.28x = 75,813,939.55
  5. Step 5: Solve for x
    x = 75,813,939.55/8,881.28
  6. Step 6: Final answer
    x = 8,536.38

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Find fourth proportional to 4,440.64, 6,125.66 and 3,094.12
Half scale
Find fourth proportional to 17,762.56, 24,502.63 and 12,376.46
Double scale
Find fourth proportional to 8,882.28, 12,252.69 and 6,189.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.