Home / 6,173.28-8,521.20-5,188.32

Finding the Fourth Proportional to 6,173.28, 8,521.20 and 5,188.32

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Solution

The fourth proportional to 6,173.28, 8,521.20 and 5,188.32 is: 7,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.28 : 8,521.20 = 5,188.32 : x
  2. Step 2: Convert to fraction form
    6,173.28/8,521.20 = 5,188.32/x
  3. Step 3: Cross multiply
    6,173.28x = 8,521.20 × 5,188.32
  4. Step 4: Simplify right side
    6,173.28x = 44,210,712.38
  5. Step 5: Solve for x
    x = 44,210,712.38/6,173.28
  6. Step 6: Final answer
    x = 7,161.62

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Half scale
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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.