Home / 11,120.23-16,680.33-4,459.73

Finding the Fourth Proportional to 11,120.23, 16,680.33 and 4,459.73

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Solution

The fourth proportional to 11,120.23, 16,680.33 and 4,459.73 is: 6,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.23 : 16,680.33 = 4,459.73 : x
  2. Step 2: Convert to fraction form
    11,120.23/16,680.33 = 4,459.73/x
  3. Step 3: Cross multiply
    11,120.23x = 16,680.33 × 4,459.73
  4. Step 4: Simplify right side
    11,120.23x = 74,389,768.11
  5. Step 5: Solve for x
    x = 74,389,768.11/11,120.23
  6. Step 6: Final answer
    x = 6,689.59

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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.