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Finding the Fourth Proportional to 8,695.68, 13,043.04 and 6,358.08

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Solution

The fourth proportional to 8,695.68, 13,043.04 and 6,358.08 is: 9,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.68 : 13,043.04 = 6,358.08 : x
  2. Step 2: Convert to fraction form
    8,695.68/13,043.04 = 6,358.08/x
  3. Step 3: Cross multiply
    8,695.68x = 13,043.04 × 6,358.08
  4. Step 4: Simplify right side
    8,695.68x = 82,928,691.76
  5. Step 5: Solve for x
    x = 82,928,691.76/8,695.68
  6. Step 6: Final answer
    x = 9,536.77

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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.