Home / 10,233.48-15,275.52-8,781.96

Finding the Fourth Proportional to 10,233.48, 15,275.52 and 8,781.96

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Solution

The fourth proportional to 10,233.48, 15,275.52 and 8,781.96 is: 13,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.48 : 15,275.52 = 8,781.96 : x
  2. Step 2: Convert to fraction form
    10,233.48/15,275.52 = 8,781.96/x
  3. Step 3: Cross multiply
    10,233.48x = 15,275.52 × 8,781.96
  4. Step 4: Simplify right side
    10,233.48x = 134,148,961.71
  5. Step 5: Solve for x
    x = 134,148,961.71/10,233.48
  6. Step 6: Final answer
    x = 13,108.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.