Home / 11,082.16-15,299.02-8,558.61

Finding the Fourth Proportional to 11,082.16, 15,299.02 and 8,558.61

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Solution

The fourth proportional to 11,082.16, 15,299.02 and 8,558.61 is: 11,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.16 : 15,299.02 = 8,558.61 : x
  2. Step 2: Convert to fraction form
    11,082.16/15,299.02 = 8,558.61/x
  3. Step 3: Cross multiply
    11,082.16x = 15,299.02 × 8,558.61
  4. Step 4: Simplify right side
    11,082.16x = 130,938,298.89
  5. Step 5: Solve for x
    x = 130,938,298.89/11,082.16
  6. Step 6: Final answer
    x = 11,815.23

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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.