Home / 10,008.12-15,012.36-3,082.68

Finding the Fourth Proportional to 10,008.12, 15,012.36 and 3,082.68

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Solution

The fourth proportional to 10,008.12, 15,012.36 and 3,082.68 is: 4,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.12 : 15,012.36 = 3,082.68 : x
  2. Step 2: Convert to fraction form
    10,008.12/15,012.36 = 3,082.68/x
  3. Step 3: Cross multiply
    10,008.12x = 15,012.36 × 3,082.68
  4. Step 4: Simplify right side
    10,008.12x = 46,278,301.92
  5. Step 5: Solve for x
    x = 46,278,301.92/10,008.12
  6. Step 6: Final answer
    x = 4,624.08

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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.