Home / 11,432.84-15,782.70-8,601.29

Finding the Fourth Proportional to 11,432.84, 15,782.70 and 8,601.29

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Solution

The fourth proportional to 11,432.84, 15,782.70 and 8,601.29 is: 11,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.84 : 15,782.70 = 8,601.29 : x
  2. Step 2: Convert to fraction form
    11,432.84/15,782.70 = 8,601.29/x
  3. Step 3: Cross multiply
    11,432.84x = 15,782.70 × 8,601.29
  4. Step 4: Simplify right side
    11,432.84x = 135,751,500.77
  5. Step 5: Solve for x
    x = 135,751,500.77/11,432.84
  6. Step 6: Final answer
    x = 11,873.83

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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.