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Finding the Fourth Proportional to 9,379.60, 12,934.56 and 6,021.88

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Solution

The fourth proportional to 9,379.60, 12,934.56 and 6,021.88 is: 8,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.60 : 12,934.56 = 6,021.88 : x
  2. Step 2: Convert to fraction form
    9,379.60/12,934.56 = 6,021.88/x
  3. Step 3: Cross multiply
    9,379.60x = 12,934.56 × 6,021.88
  4. Step 4: Simplify right side
    9,379.60x = 77,890,368.17
  5. Step 5: Solve for x
    x = 77,890,368.17/9,379.60
  6. Step 6: Final answer
    x = 8,304.23

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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.