Home / 10,567.62-15,854.06-3,172.21

Finding the Fourth Proportional to 10,567.62, 15,854.06 and 3,172.21

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Solution

The fourth proportional to 10,567.62, 15,854.06 and 3,172.21 is: 4,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.62 : 15,854.06 = 3,172.21 : x
  2. Step 2: Convert to fraction form
    10,567.62/15,854.06 = 3,172.21/x
  3. Step 3: Cross multiply
    10,567.62x = 15,854.06 × 3,172.21
  4. Step 4: Simplify right side
    10,567.62x = 50,292,407.67
  5. Step 5: Solve for x
    x = 50,292,407.67/10,567.62
  6. Step 6: Final answer
    x = 4,759.10

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1.5x scale

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.