Home / 10,318.16-15,449.72-5,929.04

Finding the Fourth Proportional to 10,318.16, 15,449.72 and 5,929.04

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Solution

The fourth proportional to 10,318.16, 15,449.72 and 5,929.04 is: 8,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.16 : 15,449.72 = 5,929.04 : x
  2. Step 2: Convert to fraction form
    10,318.16/15,449.72 = 5,929.04/x
  3. Step 3: Cross multiply
    10,318.16x = 15,449.72 × 5,929.04
  4. Step 4: Simplify right side
    10,318.16x = 91,602,007.87
  5. Step 5: Solve for x
    x = 91,602,007.87/10,318.16
  6. Step 6: Final answer
    x = 8,877.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.