Home / 12,175.03-18,248.71-5,150.66

Finding the Fourth Proportional to 12,175.03, 18,248.71 and 5,150.66

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Solution

The fourth proportional to 12,175.03, 18,248.71 and 5,150.66 is: 7,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.03 : 18,248.71 = 5,150.66 : x
  2. Step 2: Convert to fraction form
    12,175.03/18,248.71 = 5,150.66/x
  3. Step 3: Cross multiply
    12,175.03x = 18,248.71 × 5,150.66
  4. Step 4: Simplify right side
    12,175.03x = 93,992,806.19
  5. Step 5: Solve for x
    x = 93,992,806.19/12,175.03
  6. Step 6: Final answer
    x = 7,720.13

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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.