Home / 8,567.74-12,851.70-3,020.05

Finding the Fourth Proportional to 8,567.74, 12,851.70 and 3,020.05

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Solution

The fourth proportional to 8,567.74, 12,851.70 and 3,020.05 is: 4,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.74 : 12,851.70 = 3,020.05 : x
  2. Step 2: Convert to fraction form
    8,567.74/12,851.70 = 3,020.05/x
  3. Step 3: Cross multiply
    8,567.74x = 12,851.70 × 3,020.05
  4. Step 4: Simplify right side
    8,567.74x = 38,812,697.23
  5. Step 5: Solve for x
    x = 38,812,697.23/8,567.74
  6. Step 6: Final answer
    x = 4,530.10

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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.