Home / 10,567.61-15,851.38-3,172.04

Finding the Fourth Proportional to 10,567.61, 15,851.38 and 3,172.04

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Solution

The fourth proportional to 10,567.61, 15,851.38 and 3,172.04 is: 4,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.61 : 15,851.38 = 3,172.04 : x
  2. Step 2: Convert to fraction form
    10,567.61/15,851.38 = 3,172.04/x
  3. Step 3: Cross multiply
    10,567.61x = 15,851.38 × 3,172.04
  4. Step 4: Simplify right side
    10,567.61x = 50,281,211.42
  5. Step 5: Solve for x
    x = 50,281,211.42/10,567.61
  6. Step 6: Final answer
    x = 4,758.05

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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.