Home / 10,751.48-16,133.70-4,182.20

Finding the Fourth Proportional to 10,751.48, 16,133.70 and 4,182.20

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Solution

The fourth proportional to 10,751.48, 16,133.70 and 4,182.20 is: 6,275.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.48 : 16,133.70 = 4,182.20 : x
  2. Step 2: Convert to fraction form
    10,751.48/16,133.70 = 4,182.20/x
  3. Step 3: Cross multiply
    10,751.48x = 16,133.70 × 4,182.20
  4. Step 4: Simplify right side
    10,751.48x = 67,474,360.14
  5. Step 5: Solve for x
    x = 67,474,360.14/10,751.48
  6. Step 6: Final answer
    x = 6,275.82

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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.