Home / 11,182.92-15,432.42-6,147.09

Finding the Fourth Proportional to 11,182.92, 15,432.42 and 6,147.09

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Solution

The fourth proportional to 11,182.92, 15,432.42 and 6,147.09 is: 8,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.92 : 15,432.42 = 6,147.09 : x
  2. Step 2: Convert to fraction form
    11,182.92/15,432.42 = 6,147.09/x
  3. Step 3: Cross multiply
    11,182.92x = 15,432.42 × 6,147.09
  4. Step 4: Simplify right side
    11,182.92x = 94,864,474.66
  5. Step 5: Solve for x
    x = 94,864,474.66/11,182.92
  6. Step 6: Final answer
    x = 8,482.98

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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.