Home / 11,026.28-15,216.20-5,990.46

Finding the Fourth Proportional to 11,026.28, 15,216.20 and 5,990.46

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Solution

The fourth proportional to 11,026.28, 15,216.20 and 5,990.46 is: 8,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.28 : 15,216.20 = 5,990.46 : x
  2. Step 2: Convert to fraction form
    11,026.28/15,216.20 = 5,990.46/x
  3. Step 3: Cross multiply
    11,026.28x = 15,216.20 × 5,990.46
  4. Step 4: Simplify right side
    11,026.28x = 91,151,961.37
  5. Step 5: Solve for x
    x = 91,151,961.37/11,026.28
  6. Step 6: Final answer
    x = 8,266.80

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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.