Home / 7,411.55-11,118.15-2,481.53

Finding the Fourth Proportional to 7,411.55, 11,118.15 and 2,481.53

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Solution

The fourth proportional to 7,411.55, 11,118.15 and 2,481.53 is: 3,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.55 : 11,118.15 = 2,481.53 : x
  2. Step 2: Convert to fraction form
    7,411.55/11,118.15 = 2,481.53/x
  3. Step 3: Cross multiply
    7,411.55x = 11,118.15 × 2,481.53
  4. Step 4: Simplify right side
    7,411.55x = 27,589,967.18
  5. Step 5: Solve for x
    x = 27,589,967.18/7,411.55
  6. Step 6: Final answer
    x = 3,722.57

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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.