Home / 11,353.33-15,650.52-8,959.18

Finding the Fourth Proportional to 11,353.33, 15,650.52 and 8,959.18

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Solution

The fourth proportional to 11,353.33, 15,650.52 and 8,959.18 is: 12,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.33 : 15,650.52 = 8,959.18 : x
  2. Step 2: Convert to fraction form
    11,353.33/15,650.52 = 8,959.18/x
  3. Step 3: Cross multiply
    11,353.33x = 15,650.52 × 8,959.18
  4. Step 4: Simplify right side
    11,353.33x = 140,215,825.77
  5. Step 5: Solve for x
    x = 140,215,825.77/11,353.33
  6. Step 6: Final answer
    x = 12,350.19

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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.