Home / 10,119.06-15,182.91-4,923.54

Finding the Fourth Proportional to 10,119.06, 15,182.91 and 4,923.54

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Solution

The fourth proportional to 10,119.06, 15,182.91 and 4,923.54 is: 7,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.06 : 15,182.91 = 4,923.54 : x
  2. Step 2: Convert to fraction form
    10,119.06/15,182.91 = 4,923.54/x
  3. Step 3: Cross multiply
    10,119.06x = 15,182.91 × 4,923.54
  4. Step 4: Simplify right side
    10,119.06x = 74,753,664.70
  5. Step 5: Solve for x
    x = 74,753,664.70/10,119.06
  6. Step 6: Final answer
    x = 7,387.41

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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.