Home / 11,141.52-15,371.82-6,425.16

Finding the Fourth Proportional to 11,141.52, 15,371.82 and 6,425.16

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Solution

The fourth proportional to 11,141.52, 15,371.82 and 6,425.16 is: 8,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.52 : 15,371.82 = 6,425.16 : x
  2. Step 2: Convert to fraction form
    11,141.52/15,371.82 = 6,425.16/x
  3. Step 3: Cross multiply
    11,141.52x = 15,371.82 × 6,425.16
  4. Step 4: Simplify right side
    11,141.52x = 98,766,402.99
  5. Step 5: Solve for x
    x = 98,766,402.99/11,141.52
  6. Step 6: Final answer
    x = 8,864.72

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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.