Home / 10,237.20-15,355.99-3,217.08

Finding the Fourth Proportional to 10,237.20, 15,355.99 and 3,217.08

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Solution

The fourth proportional to 10,237.20, 15,355.99 and 3,217.08 is: 4,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.20 : 15,355.99 = 3,217.08 : x
  2. Step 2: Convert to fraction form
    10,237.20/15,355.99 = 3,217.08/x
  3. Step 3: Cross multiply
    10,237.20x = 15,355.99 × 3,217.08
  4. Step 4: Simplify right side
    10,237.20x = 49,401,432.22
  5. Step 5: Solve for x
    x = 49,401,432.22/10,237.20
  6. Step 6: Final answer
    x = 4,825.68

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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.