Home / 11,132.60-15,358.20-6,414.08

Finding the Fourth Proportional to 11,132.60, 15,358.20 and 6,414.08

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Solution

The fourth proportional to 11,132.60, 15,358.20 and 6,414.08 is: 8,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.60 : 15,358.20 = 6,414.08 : x
  2. Step 2: Convert to fraction form
    11,132.60/15,358.20 = 6,414.08/x
  3. Step 3: Cross multiply
    11,132.60x = 15,358.20 × 6,414.08
  4. Step 4: Simplify right side
    11,132.60x = 98,508,723.46
  5. Step 5: Solve for x
    x = 98,508,723.46/11,132.60
  6. Step 6: Final answer
    x = 8,848.67

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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.