Home / 13,502.11-18,632.98-7,534.12

Finding the Fourth Proportional to 13,502.11, 18,632.98 and 7,534.12

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Solution

The fourth proportional to 13,502.11, 18,632.98 and 7,534.12 is: 10,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.11 : 18,632.98 = 7,534.12 : x
  2. Step 2: Convert to fraction form
    13,502.11/18,632.98 = 7,534.12/x
  3. Step 3: Cross multiply
    13,502.11x = 18,632.98 × 7,534.12
  4. Step 4: Simplify right side
    13,502.11x = 140,383,107.28
  5. Step 5: Solve for x
    x = 140,383,107.28/13,502.11
  6. Step 6: Final answer
    x = 10,397.12

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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.