Home / 10,167.21-15,280.34-6,726.33

Finding the Fourth Proportional to 10,167.21, 15,280.34 and 6,726.33

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Solution

The fourth proportional to 10,167.21, 15,280.34 and 6,726.33 is: 10,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.21 : 15,280.34 = 6,726.33 : x
  2. Step 2: Convert to fraction form
    10,167.21/15,280.34 = 6,726.33/x
  3. Step 3: Cross multiply
    10,167.21x = 15,280.34 × 6,726.33
  4. Step 4: Simplify right side
    10,167.21x = 102,780,575.72
  5. Step 5: Solve for x
    x = 102,780,575.72/10,167.21
  6. Step 6: Final answer
    x = 10,109.02

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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.