Home / 10,780.85-14,877.45-6,000.71

Finding the Fourth Proportional to 10,780.85, 14,877.45 and 6,000.71

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Solution

The fourth proportional to 10,780.85, 14,877.45 and 6,000.71 is: 8,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.85 : 14,877.45 = 6,000.71 : x
  2. Step 2: Convert to fraction form
    10,780.85/14,877.45 = 6,000.71/x
  3. Step 3: Cross multiply
    10,780.85x = 14,877.45 × 6,000.71
  4. Step 4: Simplify right side
    10,780.85x = 89,275,272.29
  5. Step 5: Solve for x
    x = 89,275,272.29/10,780.85
  6. Step 6: Final answer
    x = 8,280.91

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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.