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Finding the Fourth Proportional to 8,152.87, 11,260.20 and 5,495.71

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Solution

The fourth proportional to 8,152.87, 11,260.20 and 5,495.71 is: 7,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.87 : 11,260.20 = 5,495.71 : x
  2. Step 2: Convert to fraction form
    8,152.87/11,260.20 = 5,495.71/x
  3. Step 3: Cross multiply
    8,152.87x = 11,260.20 × 5,495.71
  4. Step 4: Simplify right side
    8,152.87x = 61,882,793.74
  5. Step 5: Solve for x
    x = 61,882,793.74/8,152.87
  6. Step 6: Final answer
    x = 7,590.31

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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.