Home / 10,207.50-14,086.08-5,731.74

Finding the Fourth Proportional to 10,207.50, 14,086.08 and 5,731.74

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Solution

The fourth proportional to 10,207.50, 14,086.08 and 5,731.74 is: 7,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.50 : 14,086.08 = 5,731.74 : x
  2. Step 2: Convert to fraction form
    10,207.50/14,086.08 = 5,731.74/x
  3. Step 3: Cross multiply
    10,207.50x = 14,086.08 × 5,731.74
  4. Step 4: Simplify right side
    10,207.50x = 80,737,748.18
  5. Step 5: Solve for x
    x = 80,737,748.18/10,207.50
  6. Step 6: Final answer
    x = 7,909.65

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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.