Home / 10,535.16-15,790.50-3,957.15

Finding the Fourth Proportional to 10,535.16, 15,790.50 and 3,957.15

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Solution

The fourth proportional to 10,535.16, 15,790.50 and 3,957.15 is: 5,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.16 : 15,790.50 = 3,957.15 : x
  2. Step 2: Convert to fraction form
    10,535.16/15,790.50 = 3,957.15/x
  3. Step 3: Cross multiply
    10,535.16x = 15,790.50 × 3,957.15
  4. Step 4: Simplify right side
    10,535.16x = 62,485,377.08
  5. Step 5: Solve for x
    x = 62,485,377.08/10,535.16
  6. Step 6: Final answer
    x = 5,931.13

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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.