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Finding the Fourth Proportional to 8,810.73, 12,158.90 and 5,034.39

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Solution

The fourth proportional to 8,810.73, 12,158.90 and 5,034.39 is: 6,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.73 : 12,158.90 = 5,034.39 : x
  2. Step 2: Convert to fraction form
    8,810.73/12,158.90 = 5,034.39/x
  3. Step 3: Cross multiply
    8,810.73x = 12,158.90 × 5,034.39
  4. Step 4: Simplify right side
    8,810.73x = 61,212,644.57
  5. Step 5: Solve for x
    x = 61,212,644.57/8,810.73
  6. Step 6: Final answer
    x = 6,947.51

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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.