Home / 8,902.97-12,285.50-5,125.26

Finding the Fourth Proportional to 8,902.97, 12,285.50 and 5,125.26

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Solution

The fourth proportional to 8,902.97, 12,285.50 and 5,125.26 is: 7,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.97 : 12,285.50 = 5,125.26 : x
  2. Step 2: Convert to fraction form
    8,902.97/12,285.50 = 5,125.26/x
  3. Step 3: Cross multiply
    8,902.97x = 12,285.50 × 5,125.26
  4. Step 4: Simplify right side
    8,902.97x = 62,966,356.10
  5. Step 5: Solve for x
    x = 62,966,356.10/8,902.97
  6. Step 6: Final answer
    x = 7,072.52

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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.