Home / 9,188.44-12,680.04-4,996.69

Finding the Fourth Proportional to 9,188.44, 12,680.04 and 4,996.69

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Solution

The fourth proportional to 9,188.44, 12,680.04 and 4,996.69 is: 6,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.44 : 12,680.04 = 4,996.69 : x
  2. Step 2: Convert to fraction form
    9,188.44/12,680.04 = 4,996.69/x
  3. Step 3: Cross multiply
    9,188.44x = 12,680.04 × 4,996.69
  4. Step 4: Simplify right side
    9,188.44x = 63,358,216.11
  5. Step 5: Solve for x
    x = 63,358,216.11/9,188.44
  6. Step 6: Final answer
    x = 6,895.43

Related Problems

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Half scale
Find fourth proportional to 18,376.88, 25,360.09 and 9,993.38
Double scale
Find fourth proportional to 9,189.44, 12,681.42 and 4,997.69
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.