Home / 10,781.20-14,877.24-6,064.57

Finding the Fourth Proportional to 10,781.20, 14,877.24 and 6,064.57

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Solution

The fourth proportional to 10,781.20, 14,877.24 and 6,064.57 is: 8,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.20 : 14,877.24 = 6,064.57 : x
  2. Step 2: Convert to fraction form
    10,781.20/14,877.24 = 6,064.57/x
  3. Step 3: Cross multiply
    10,781.20x = 14,877.24 × 6,064.57
  4. Step 4: Simplify right side
    10,781.20x = 90,224,063.39
  5. Step 5: Solve for x
    x = 90,224,063.39/10,781.20
  6. Step 6: Final answer
    x = 8,368.65

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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.