Home / 12,747.53-17,592.85-7,370.20

Finding the Fourth Proportional to 12,747.53, 17,592.85 and 7,370.20

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Solution

The fourth proportional to 12,747.53, 17,592.85 and 7,370.20 is: 10,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.53 : 17,592.85 = 7,370.20 : x
  2. Step 2: Convert to fraction form
    12,747.53/17,592.85 = 7,370.20/x
  3. Step 3: Cross multiply
    12,747.53x = 17,592.85 × 7,370.20
  4. Step 4: Simplify right side
    12,747.53x = 129,662,823.07
  5. Step 5: Solve for x
    x = 129,662,823.07/12,747.53
  6. Step 6: Final answer
    x = 10,171.60

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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.