Home / 11,034.28-16,521.09-7,705.85

Finding the Fourth Proportional to 11,034.28, 16,521.09 and 7,705.85

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Solution

The fourth proportional to 11,034.28, 16,521.09 and 7,705.85 is: 11,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,034.28 : 16,521.09 = 7,705.85 : x
  2. Step 2: Convert to fraction form
    11,034.28/16,521.09 = 7,705.85/x
  3. Step 3: Cross multiply
    11,034.28x = 16,521.09 × 7,705.85
  4. Step 4: Simplify right side
    11,034.28x = 127,309,090.94
  5. Step 5: Solve for x
    x = 127,309,090.94/11,034.28
  6. Step 6: Final answer
    x = 11,537.60

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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.