Home / 11,146.49-15,382.45-6,110.90

Finding the Fourth Proportional to 11,146.49, 15,382.45 and 6,110.90

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Solution

The fourth proportional to 11,146.49, 15,382.45 and 6,110.90 is: 8,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.49 : 15,382.45 = 6,110.90 : x
  2. Step 2: Convert to fraction form
    11,146.49/15,382.45 = 6,110.90/x
  3. Step 3: Cross multiply
    11,146.49x = 15,382.45 × 6,110.90
  4. Step 4: Simplify right side
    11,146.49x = 94,000,608.63
  5. Step 5: Solve for x
    x = 94,000,608.63/11,146.49
  6. Step 6: Final answer
    x = 8,433.21

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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.