Home / 11,026.21-15,215.91-5,990.32

Finding the Fourth Proportional to 11,026.21, 15,215.91 and 5,990.32

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Solution

The fourth proportional to 11,026.21, 15,215.91 and 5,990.32 is: 8,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.21 : 15,215.91 = 5,990.32 : x
  2. Step 2: Convert to fraction form
    11,026.21/15,215.91 = 5,990.32/x
  3. Step 3: Cross multiply
    11,026.21x = 15,215.91 × 5,990.32
  4. Step 4: Simplify right side
    11,026.21x = 91,148,169.99
  5. Step 5: Solve for x
    x = 91,148,169.99/11,026.21
  6. Step 6: Final answer
    x = 8,266.50

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Similar ratio
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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.