Home / 11,473.38-15,848.87-8,986.95

Finding the Fourth Proportional to 11,473.38, 15,848.87 and 8,986.95

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Solution

The fourth proportional to 11,473.38, 15,848.87 and 8,986.95 is: 12,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.38 : 15,848.87 = 8,986.95 : x
  2. Step 2: Convert to fraction form
    11,473.38/15,848.87 = 8,986.95/x
  3. Step 3: Cross multiply
    11,473.38x = 15,848.87 × 8,986.95
  4. Step 4: Simplify right side
    11,473.38x = 142,432,957.31
  5. Step 5: Solve for x
    x = 142,432,957.31/11,473.38
  6. Step 6: Final answer
    x = 12,414.21

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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.