Home / 10,646.20-14,691.76-6,170.84

Finding the Fourth Proportional to 10,646.20, 14,691.76 and 6,170.84

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Solution

The fourth proportional to 10,646.20, 14,691.76 and 6,170.84 is: 8,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.20 : 14,691.76 = 6,170.84 : x
  2. Step 2: Convert to fraction form
    10,646.20/14,691.76 = 6,170.84/x
  3. Step 3: Cross multiply
    10,646.20x = 14,691.76 × 6,170.84
  4. Step 4: Simplify right side
    10,646.20x = 90,660,500.28
  5. Step 5: Solve for x
    x = 90,660,500.28/10,646.20
  6. Step 6: Final answer
    x = 8,515.76

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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.