Home / 11,146.68-15,382.31-6,110.91

Finding the Fourth Proportional to 11,146.68, 15,382.31 and 6,110.91

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Solution

The fourth proportional to 11,146.68, 15,382.31 and 6,110.91 is: 8,432.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.68 : 15,382.31 = 6,110.91 : x
  2. Step 2: Convert to fraction form
    11,146.68/15,382.31 = 6,110.91/x
  3. Step 3: Cross multiply
    11,146.68x = 15,382.31 × 6,110.91
  4. Step 4: Simplify right side
    11,146.68x = 93,999,881.45
  5. Step 5: Solve for x
    x = 93,999,881.45/11,146.68
  6. Step 6: Final answer
    x = 8,432.99

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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.