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Finding the Fourth Proportional to 8,397.74, 11,583 and 7,276.68

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Solution

The fourth proportional to 8,397.74, 11,583 and 7,276.68 is: 10,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.74 : 11,583 = 7,276.68 : x
  2. Step 2: Convert to fraction form
    8,397.74/11,583 = 7,276.68/x
  3. Step 3: Cross multiply
    8,397.74x = 11,583 × 7,276.68
  4. Step 4: Simplify right side
    8,397.74x = 84,285,784.44
  5. Step 5: Solve for x
    x = 84,285,784.44/8,397.74
  6. Step 6: Final answer
    x = 10,036.72

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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.