Home / 11,082.11-15,298.95-8,558.55

Finding the Fourth Proportional to 11,082.11, 15,298.95 and 8,558.55

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Solution

The fourth proportional to 11,082.11, 15,298.95 and 8,558.55 is: 11,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.11 : 15,298.95 = 8,558.55 : x
  2. Step 2: Convert to fraction form
    11,082.11/15,298.95 = 8,558.55/x
  3. Step 3: Cross multiply
    11,082.11x = 15,298.95 × 8,558.55
  4. Step 4: Simplify right side
    11,082.11x = 130,936,828.52
  5. Step 5: Solve for x
    x = 130,936,828.52/11,082.11
  6. Step 6: Final answer
    x = 11,815.16

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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.