Home / 10,117.53-15,175.17-2,722.68

Finding the Fourth Proportional to 10,117.53, 15,175.17 and 2,722.68

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Solution

The fourth proportional to 10,117.53, 15,175.17 and 2,722.68 is: 4,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.53 : 15,175.17 = 2,722.68 : x
  2. Step 2: Convert to fraction form
    10,117.53/15,175.17 = 2,722.68/x
  3. Step 3: Cross multiply
    10,117.53x = 15,175.17 × 2,722.68
  4. Step 4: Simplify right side
    10,117.53x = 41,317,131.86
  5. Step 5: Solve for x
    x = 41,317,131.86/10,117.53
  6. Step 6: Final answer
    x = 4,083.72

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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.