Home / 10,626.20-15,938.29-3,230.74

Finding the Fourth Proportional to 10,626.20, 15,938.29 and 3,230.74

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Solution

The fourth proportional to 10,626.20, 15,938.29 and 3,230.74 is: 4,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.20 : 15,938.29 = 3,230.74 : x
  2. Step 2: Convert to fraction form
    10,626.20/15,938.29 = 3,230.74/x
  3. Step 3: Cross multiply
    10,626.20x = 15,938.29 × 3,230.74
  4. Step 4: Simplify right side
    10,626.20x = 51,492,387.17
  5. Step 5: Solve for x
    x = 51,492,387.17/10,626.20
  6. Step 6: Final answer
    x = 4,845.79

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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.