Home / 11,244.45-15,518.70-6,528.73

Finding the Fourth Proportional to 11,244.45, 15,518.70 and 6,528.73

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Solution

The fourth proportional to 11,244.45, 15,518.70 and 6,528.73 is: 9,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.45 : 15,518.70 = 6,528.73 : x
  2. Step 2: Convert to fraction form
    11,244.45/15,518.70 = 6,528.73/x
  3. Step 3: Cross multiply
    11,244.45x = 15,518.70 × 6,528.73
  4. Step 4: Simplify right side
    11,244.45x = 101,317,358.09
  5. Step 5: Solve for x
    x = 101,317,358.09/11,244.45
  6. Step 6: Final answer
    x = 9,010.44

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Double scale
Find fourth proportional to 11,245.45, 15,520.08 and 6,529.73
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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.