Home / 10,348.32-15,522.12-3,422.76

Finding the Fourth Proportional to 10,348.32, 15,522.12 and 3,422.76

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Solution

The fourth proportional to 10,348.32, 15,522.12 and 3,422.76 is: 5,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.32 : 15,522.12 = 3,422.76 : x
  2. Step 2: Convert to fraction form
    10,348.32/15,522.12 = 3,422.76/x
  3. Step 3: Cross multiply
    10,348.32x = 15,522.12 × 3,422.76
  4. Step 4: Simplify right side
    10,348.32x = 53,128,491.45
  5. Step 5: Solve for x
    x = 53,128,491.45/10,348.32
  6. Step 6: Final answer
    x = 5,134.02

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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.