Home / 10,990.24-15,166.51-5,954.59

Finding the Fourth Proportional to 10,990.24, 15,166.51 and 5,954.59

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Solution

The fourth proportional to 10,990.24, 15,166.51 and 5,954.59 is: 8,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.24 : 15,166.51 = 5,954.59 : x
  2. Step 2: Convert to fraction form
    10,990.24/15,166.51 = 5,954.59/x
  3. Step 3: Cross multiply
    10,990.24x = 15,166.51 × 5,954.59
  4. Step 4: Simplify right side
    10,990.24x = 90,310,295.98
  5. Step 5: Solve for x
    x = 90,310,295.98/10,990.24
  6. Step 6: Final answer
    x = 8,217.32

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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.