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Finding the Fourth Proportional to 9,374.58, 12,924.90 and 6,011.28

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Solution

The fourth proportional to 9,374.58, 12,924.90 and 6,011.28 is: 8,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.58 : 12,924.90 = 6,011.28 : x
  2. Step 2: Convert to fraction form
    9,374.58/12,924.90 = 6,011.28/x
  3. Step 3: Cross multiply
    9,374.58x = 12,924.90 × 6,011.28
  4. Step 4: Simplify right side
    9,374.58x = 77,695,192.87
  5. Step 5: Solve for x
    x = 77,695,192.87/9,374.58
  6. Step 6: Final answer
    x = 8,287.86

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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.