Home / 12,253.57-18,350.75-6,972.58

Finding the Fourth Proportional to 12,253.57, 18,350.75 and 6,972.58

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Solution

The fourth proportional to 12,253.57, 18,350.75 and 6,972.58 is: 10,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.57 : 18,350.75 = 6,972.58 : x
  2. Step 2: Convert to fraction form
    12,253.57/18,350.75 = 6,972.58/x
  3. Step 3: Cross multiply
    12,253.57x = 18,350.75 × 6,972.58
  4. Step 4: Simplify right side
    12,253.57x = 127,951,991.70
  5. Step 5: Solve for x
    x = 127,951,991.70/12,253.57
  6. Step 6: Final answer
    x = 10,442.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.