Home / 10,116.39-15,175.05-3,792.77

Finding the Fourth Proportional to 10,116.39, 15,175.05 and 3,792.77

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Solution

The fourth proportional to 10,116.39, 15,175.05 and 3,792.77 is: 5,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.39 : 15,175.05 = 3,792.77 : x
  2. Step 2: Convert to fraction form
    10,116.39/15,175.05 = 3,792.77/x
  3. Step 3: Cross multiply
    10,116.39x = 15,175.05 × 3,792.77
  4. Step 4: Simplify right side
    10,116.39x = 57,555,526.56
  5. Step 5: Solve for x
    x = 57,555,526.56/10,116.39
  6. Step 6: Final answer
    x = 5,689.33

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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.