Home / 8,432.42-11,641.39-5,076.05

Finding the Fourth Proportional to 8,432.42, 11,641.39 and 5,076.05

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Solution

The fourth proportional to 8,432.42, 11,641.39 and 5,076.05 is: 7,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.42 : 11,641.39 = 5,076.05 : x
  2. Step 2: Convert to fraction form
    8,432.42/11,641.39 = 5,076.05/x
  3. Step 3: Cross multiply
    8,432.42x = 11,641.39 × 5,076.05
  4. Step 4: Simplify right side
    8,432.42x = 59,092,294.12
  5. Step 5: Solve for x
    x = 59,092,294.12/8,432.42
  6. Step 6: Final answer
    x = 7,007.75

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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.