Home / 8,568.65-12,851.53-3,020.69

Finding the Fourth Proportional to 8,568.65, 12,851.53 and 3,020.69

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Solution

The fourth proportional to 8,568.65, 12,851.53 and 3,020.69 is: 4,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.65 : 12,851.53 = 3,020.69 : x
  2. Step 2: Convert to fraction form
    8,568.65/12,851.53 = 3,020.69/x
  3. Step 3: Cross multiply
    8,568.65x = 12,851.53 × 3,020.69
  4. Step 4: Simplify right side
    8,568.65x = 38,820,488.16
  5. Step 5: Solve for x
    x = 38,820,488.16/8,568.65
  6. Step 6: Final answer
    x = 4,530.53

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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.