Home / 10,108.74-15,160.19-3,445.09

Finding the Fourth Proportional to 10,108.74, 15,160.19 and 3,445.09

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Solution

The fourth proportional to 10,108.74, 15,160.19 and 3,445.09 is: 5,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.74 : 15,160.19 = 3,445.09 : x
  2. Step 2: Convert to fraction form
    10,108.74/15,160.19 = 3,445.09/x
  3. Step 3: Cross multiply
    10,108.74x = 15,160.19 × 3,445.09
  4. Step 4: Simplify right side
    10,108.74x = 52,228,246.53
  5. Step 5: Solve for x
    x = 52,228,246.53/10,108.74
  6. Step 6: Final answer
    x = 5,166.64

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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.