Home / 8,750.48-13,125.05-2,176.65

Finding the Fourth Proportional to 8,750.48, 13,125.05 and 2,176.65

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Solution

The fourth proportional to 8,750.48, 13,125.05 and 2,176.65 is: 3,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.48 : 13,125.05 = 2,176.65 : x
  2. Step 2: Convert to fraction form
    8,750.48/13,125.05 = 2,176.65/x
  3. Step 3: Cross multiply
    8,750.48x = 13,125.05 × 2,176.65
  4. Step 4: Simplify right side
    8,750.48x = 28,568,629.20
  5. Step 5: Solve for x
    x = 28,568,629.20/8,750.48
  6. Step 6: Final answer
    x = 3,264.81

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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.