Home / 10,949.93-15,093.16-8,555.72

Finding the Fourth Proportional to 10,949.93, 15,093.16 and 8,555.72

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Solution

The fourth proportional to 10,949.93, 15,093.16 and 8,555.72 is: 11,793.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.93 : 15,093.16 = 8,555.72 : x
  2. Step 2: Convert to fraction form
    10,949.93/15,093.16 = 8,555.72/x
  3. Step 3: Cross multiply
    10,949.93x = 15,093.16 × 8,555.72
  4. Step 4: Simplify right side
    10,949.93x = 129,132,810.62
  5. Step 5: Solve for x
    x = 129,132,810.62/10,949.93
  6. Step 6: Final answer
    x = 11,793.02

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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.