Home / 10,891.26-15,026.51-6,174.63

Finding the Fourth Proportional to 10,891.26, 15,026.51 and 6,174.63

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Solution

The fourth proportional to 10,891.26, 15,026.51 and 6,174.63 is: 8,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.26 : 15,026.51 = 6,174.63 : x
  2. Step 2: Convert to fraction form
    10,891.26/15,026.51 = 6,174.63/x
  3. Step 3: Cross multiply
    10,891.26x = 15,026.51 × 6,174.63
  4. Step 4: Simplify right side
    10,891.26x = 92,783,154.88
  5. Step 5: Solve for x
    x = 92,783,154.88/10,891.26
  6. Step 6: Final answer
    x = 8,519.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.