Home / 9,372.14-12,933.54-5,180.39

Finding the Fourth Proportional to 9,372.14, 12,933.54 and 5,180.39

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Solution

The fourth proportional to 9,372.14, 12,933.54 and 5,180.39 is: 7,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.14 : 12,933.54 = 5,180.39 : x
  2. Step 2: Convert to fraction form
    9,372.14/12,933.54 = 5,180.39/x
  3. Step 3: Cross multiply
    9,372.14x = 12,933.54 × 5,180.39
  4. Step 4: Simplify right side
    9,372.14x = 67,000,781.28
  5. Step 5: Solve for x
    x = 67,000,781.28/9,372.14
  6. Step 6: Final answer
    x = 7,148.93

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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.