Home / 10,968.39-15,132.42-6,249.93

Finding the Fourth Proportional to 10,968.39, 15,132.42 and 6,249.93

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Solution

The fourth proportional to 10,968.39, 15,132.42 and 6,249.93 is: 8,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.39 : 15,132.42 = 6,249.93 : x
  2. Step 2: Convert to fraction form
    10,968.39/15,132.42 = 6,249.93/x
  3. Step 3: Cross multiply
    10,968.39x = 15,132.42 × 6,249.93
  4. Step 4: Simplify right side
    10,968.39x = 94,576,565.73
  5. Step 5: Solve for x
    x = 94,576,565.73/10,968.39
  6. Step 6: Final answer
    x = 8,622.65

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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.