Home / 11,182.97-15,432.85-6,147.58

Finding the Fourth Proportional to 11,182.97, 15,432.85 and 6,147.58

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Solution

The fourth proportional to 11,182.97, 15,432.85 and 6,147.58 is: 8,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.97 : 15,432.85 = 6,147.58 : x
  2. Step 2: Convert to fraction form
    11,182.97/15,432.85 = 6,147.58/x
  3. Step 3: Cross multiply
    11,182.97x = 15,432.85 × 6,147.58
  4. Step 4: Simplify right side
    11,182.97x = 94,874,680.00
  5. Step 5: Solve for x
    x = 94,874,680.00/11,182.97
  6. Step 6: Final answer
    x = 8,483.85

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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.