Home / 12,414.08-18,609.60-6,565.76

Finding the Fourth Proportional to 12,414.08, 18,609.60 and 6,565.76

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Solution

The fourth proportional to 12,414.08, 18,609.60 and 6,565.76 is: 9,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.08 : 18,609.60 = 6,565.76 : x
  2. Step 2: Convert to fraction form
    12,414.08/18,609.60 = 6,565.76/x
  3. Step 3: Cross multiply
    12,414.08x = 18,609.60 × 6,565.76
  4. Step 4: Simplify right side
    12,414.08x = 122,186,167.30
  5. Step 5: Solve for x
    x = 122,186,167.30/12,414.08
  6. Step 6: Final answer
    x = 9,842.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.