Home / 10,020.35-15,029.28-4,176.20

Finding the Fourth Proportional to 10,020.35, 15,029.28 and 4,176.20

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Solution

The fourth proportional to 10,020.35, 15,029.28 and 4,176.20 is: 6,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.35 : 15,029.28 = 4,176.20 : x
  2. Step 2: Convert to fraction form
    10,020.35/15,029.28 = 4,176.20/x
  3. Step 3: Cross multiply
    10,020.35x = 15,029.28 × 4,176.20
  4. Step 4: Simplify right side
    10,020.35x = 62,765,203.99
  5. Step 5: Solve for x
    x = 62,765,203.99/10,020.35
  6. Step 6: Final answer
    x = 6,263.78

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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.