Home / 10,119.13-15,179.73-2,723.65

Finding the Fourth Proportional to 10,119.13, 15,179.73 and 2,723.65

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Solution

The fourth proportional to 10,119.13, 15,179.73 and 2,723.65 is: 4,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.13 : 15,179.73 = 2,723.65 : x
  2. Step 2: Convert to fraction form
    10,119.13/15,179.73 = 2,723.65/x
  3. Step 3: Cross multiply
    10,119.13x = 15,179.73 × 2,723.65
  4. Step 4: Simplify right side
    10,119.13x = 41,344,271.61
  5. Step 5: Solve for x
    x = 41,344,271.61/10,119.13
  6. Step 6: Final answer
    x = 4,085.75

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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.