Home / 10,758.19-16,139.16-3,360.76

Finding the Fourth Proportional to 10,758.19, 16,139.16 and 3,360.76

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Solution

The fourth proportional to 10,758.19, 16,139.16 and 3,360.76 is: 5,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,758.19 : 16,139.16 = 3,360.76 : x
  2. Step 2: Convert to fraction form
    10,758.19/16,139.16 = 3,360.76/x
  3. Step 3: Cross multiply
    10,758.19x = 16,139.16 × 3,360.76
  4. Step 4: Simplify right side
    10,758.19x = 54,239,843.36
  5. Step 5: Solve for x
    x = 54,239,843.36/10,758.19
  6. Step 6: Final answer
    x = 5,041.73

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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.