Home / 12,627.17-17,425.56-7,325.12

Finding the Fourth Proportional to 12,627.17, 17,425.56 and 7,325.12

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Solution

The fourth proportional to 12,627.17, 17,425.56 and 7,325.12 is: 10,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.17 : 17,425.56 = 7,325.12 : x
  2. Step 2: Convert to fraction form
    12,627.17/17,425.56 = 7,325.12/x
  3. Step 3: Cross multiply
    12,627.17x = 17,425.56 × 7,325.12
  4. Step 4: Simplify right side
    12,627.17x = 127,644,318.07
  5. Step 5: Solve for x
    x = 127,644,318.07/12,627.17
  6. Step 6: Final answer
    x = 10,108.70

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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.