Home / 9,337.42-12,884.97-5,358.43

Finding the Fourth Proportional to 9,337.42, 12,884.97 and 5,358.43

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Solution

The fourth proportional to 9,337.42, 12,884.97 and 5,358.43 is: 7,394.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.42 : 12,884.97 = 5,358.43 : x
  2. Step 2: Convert to fraction form
    9,337.42/12,884.97 = 5,358.43/x
  3. Step 3: Cross multiply
    9,337.42x = 12,884.97 × 5,358.43
  4. Step 4: Simplify right side
    9,337.42x = 69,043,209.80
  5. Step 5: Solve for x
    x = 69,043,209.80/9,337.42
  6. Step 6: Final answer
    x = 7,394.25

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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.