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Finding the Fourth Proportional to 8,594.72, 11,870.04 and 6,921.68

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Solution

The fourth proportional to 8,594.72, 11,870.04 and 6,921.68 is: 9,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,594.72 : 11,870.04 = 6,921.68 : x
  2. Step 2: Convert to fraction form
    8,594.72/11,870.04 = 6,921.68/x
  3. Step 3: Cross multiply
    8,594.72x = 11,870.04 × 6,921.68
  4. Step 4: Simplify right side
    8,594.72x = 82,160,618.47
  5. Step 5: Solve for x
    x = 82,160,618.47/8,594.72
  6. Step 6: Final answer
    x = 9,559.43

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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.