Home / 10,916.92-15,049.02-8,554.96

Finding the Fourth Proportional to 10,916.92, 15,049.02 and 8,554.96

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Solution

The fourth proportional to 10,916.92, 15,049.02 and 8,554.96 is: 11,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.92 : 15,049.02 = 8,554.96 : x
  2. Step 2: Convert to fraction form
    10,916.92/15,049.02 = 8,554.96/x
  3. Step 3: Cross multiply
    10,916.92x = 15,049.02 × 8,554.96
  4. Step 4: Simplify right side
    10,916.92x = 128,743,764.14
  5. Step 5: Solve for x
    x = 128,743,764.14/10,916.92
  6. Step 6: Final answer
    x = 11,793.05

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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.