Home / 10,696.20-16,044.30-10,185.90

Finding the Fourth Proportional to 10,696.20, 16,044.30 and 10,185.90

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Solution

The fourth proportional to 10,696.20, 16,044.30 and 10,185.90 is: 15,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,696.20 : 16,044.30 = 10,185.90 : x
  2. Step 2: Convert to fraction form
    10,696.20/16,044.30 = 10,185.90/x
  3. Step 3: Cross multiply
    10,696.20x = 16,044.30 × 10,185.90
  4. Step 4: Simplify right side
    10,696.20x = 163,425,635.37
  5. Step 5: Solve for x
    x = 163,425,635.37/10,696.20
  6. Step 6: Final answer
    x = 15,278.85

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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.