Home / 10,113.46-15,170.22-5,525.62

Finding the Fourth Proportional to 10,113.46, 15,170.22 and 5,525.62

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Solution

The fourth proportional to 10,113.46, 15,170.22 and 5,525.62 is: 8,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.46 : 15,170.22 = 5,525.62 : x
  2. Step 2: Convert to fraction form
    10,113.46/15,170.22 = 5,525.62/x
  3. Step 3: Cross multiply
    10,113.46x = 15,170.22 × 5,525.62
  4. Step 4: Simplify right side
    10,113.46x = 83,824,871.04
  5. Step 5: Solve for x
    x = 83,824,871.04/10,113.46
  6. Step 6: Final answer
    x = 8,288.45

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Double scale
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Similar ratio
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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.