Home / 10,008.22-13,812.18-5,532.85

Finding the Fourth Proportional to 10,008.22, 13,812.18 and 5,532.85

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Solution

The fourth proportional to 10,008.22, 13,812.18 and 5,532.85 is: 7,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.22 : 13,812.18 = 5,532.85 : x
  2. Step 2: Convert to fraction form
    10,008.22/13,812.18 = 5,532.85/x
  3. Step 3: Cross multiply
    10,008.22x = 13,812.18 × 5,532.85
  4. Step 4: Simplify right side
    10,008.22x = 76,420,720.11
  5. Step 5: Solve for x
    x = 76,420,720.11/10,008.22
  6. Step 6: Final answer
    x = 7,635.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.