Home / 12,700.14-17,522.13-8,227.32

Finding the Fourth Proportional to 12,700.14, 17,522.13 and 8,227.32

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Solution

The fourth proportional to 12,700.14, 17,522.13 and 8,227.32 is: 11,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.14 : 17,522.13 = 8,227.32 : x
  2. Step 2: Convert to fraction form
    12,700.14/17,522.13 = 8,227.32/x
  3. Step 3: Cross multiply
    12,700.14x = 17,522.13 × 8,227.32
  4. Step 4: Simplify right side
    12,700.14x = 144,160,170.59
  5. Step 5: Solve for x
    x = 144,160,170.59/12,700.14
  6. Step 6: Final answer
    x = 11,351.07

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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.