Home / 11,146.28-15,382.15-6,300.62

Finding the Fourth Proportional to 11,146.28, 15,382.15 and 6,300.62

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Solution

The fourth proportional to 11,146.28, 15,382.15 and 6,300.62 is: 8,695.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.28 : 15,382.15 = 6,300.62 : x
  2. Step 2: Convert to fraction form
    11,146.28/15,382.15 = 6,300.62/x
  3. Step 3: Cross multiply
    11,146.28x = 15,382.15 × 6,300.62
  4. Step 4: Simplify right side
    11,146.28x = 96,917,082.39
  5. Step 5: Solve for x
    x = 96,917,082.39/11,146.28
  6. Step 6: Final answer
    x = 8,695.02

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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.