Home / 10,567.80-15,852.51-3,171.69

Finding the Fourth Proportional to 10,567.80, 15,852.51 and 3,171.69

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Solution

The fourth proportional to 10,567.80, 15,852.51 and 3,171.69 is: 4,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.80 : 15,852.51 = 3,171.69 : x
  2. Step 2: Convert to fraction form
    10,567.80/15,852.51 = 3,171.69/x
  3. Step 3: Cross multiply
    10,567.80x = 15,852.51 × 3,171.69
  4. Step 4: Simplify right side
    10,567.80x = 50,279,247.44
  5. Step 5: Solve for x
    x = 50,279,247.44/10,567.80
  6. Step 6: Final answer
    x = 4,757.78

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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.