Home / 11,182.83-15,432.31-6,147.38

Finding the Fourth Proportional to 11,182.83, 15,432.31 and 6,147.38

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Solution

The fourth proportional to 11,182.83, 15,432.31 and 6,147.38 is: 8,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.83 : 15,432.31 = 6,147.38 : x
  2. Step 2: Convert to fraction form
    11,182.83/15,432.31 = 6,147.38/x
  3. Step 3: Cross multiply
    11,182.83x = 15,432.31 × 6,147.38
  4. Step 4: Simplify right side
    11,182.83x = 94,868,181.32
  5. Step 5: Solve for x
    x = 94,868,181.32/11,182.83
  6. Step 6: Final answer
    x = 8,483.38

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Double scale
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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.