Home / 7,381.25-11,068.11-2,449.13

Finding the Fourth Proportional to 7,381.25, 11,068.11 and 2,449.13

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Solution

The fourth proportional to 7,381.25, 11,068.11 and 2,449.13 is: 3,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.25 : 11,068.11 = 2,449.13 : x
  2. Step 2: Convert to fraction form
    7,381.25/11,068.11 = 2,449.13/x
  3. Step 3: Cross multiply
    7,381.25x = 11,068.11 × 2,449.13
  4. Step 4: Simplify right side
    7,381.25x = 27,107,240.24
  5. Step 5: Solve for x
    x = 27,107,240.24/7,381.25
  6. Step 6: Final answer
    x = 3,672.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.