Home / 10,175.90-15,264.36-3,160.70

Finding the Fourth Proportional to 10,175.90, 15,264.36 and 3,160.70

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Solution

The fourth proportional to 10,175.90, 15,264.36 and 3,160.70 is: 4,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.90 : 15,264.36 = 3,160.70 : x
  2. Step 2: Convert to fraction form
    10,175.90/15,264.36 = 3,160.70/x
  3. Step 3: Cross multiply
    10,175.90x = 15,264.36 × 3,160.70
  4. Step 4: Simplify right side
    10,175.90x = 48,245,986.33
  5. Step 5: Solve for x
    x = 48,245,986.33/10,175.90
  6. Step 6: Final answer
    x = 4,741.20

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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.