Home / 12,217.39-18,331.55-7,023.27

Finding the Fourth Proportional to 12,217.39, 18,331.55 and 7,023.27

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Solution

The fourth proportional to 12,217.39, 18,331.55 and 7,023.27 is: 10,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.39 : 18,331.55 = 7,023.27 : x
  2. Step 2: Convert to fraction form
    12,217.39/18,331.55 = 7,023.27/x
  3. Step 3: Cross multiply
    12,217.39x = 18,331.55 × 7,023.27
  4. Step 4: Simplify right side
    12,217.39x = 128,747,425.17
  5. Step 5: Solve for x
    x = 128,747,425.17/12,217.39
  6. Step 6: Final answer
    x = 10,538.05

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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.