Home / 10,781.15-14,872.54-6,301.98

Finding the Fourth Proportional to 10,781.15, 14,872.54 and 6,301.98

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Solution

The fourth proportional to 10,781.15, 14,872.54 and 6,301.98 is: 8,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.15 : 14,872.54 = 6,301.98 : x
  2. Step 2: Convert to fraction form
    10,781.15/14,872.54 = 6,301.98/x
  3. Step 3: Cross multiply
    10,781.15x = 14,872.54 × 6,301.98
  4. Step 4: Simplify right side
    10,781.15x = 93,726,375.27
  5. Step 5: Solve for x
    x = 93,726,375.27/10,781.15
  6. Step 6: Final answer
    x = 8,693.54

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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.