Home / 10,120.24-13,966.92-6,141.04

Finding the Fourth Proportional to 10,120.24, 13,966.92 and 6,141.04

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Solution

The fourth proportional to 10,120.24, 13,966.92 and 6,141.04 is: 8,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.24 : 13,966.92 = 6,141.04 : x
  2. Step 2: Convert to fraction form
    10,120.24/13,966.92 = 6,141.04/x
  3. Step 3: Cross multiply
    10,120.24x = 13,966.92 × 6,141.04
  4. Step 4: Simplify right side
    10,120.24x = 85,771,414.40
  5. Step 5: Solve for x
    x = 85,771,414.40/10,120.24
  6. Step 6: Final answer
    x = 8,475.24

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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.