Home / 9,528.46-13,148.83-5,221.33

Finding the Fourth Proportional to 9,528.46, 13,148.83 and 5,221.33

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Solution

The fourth proportional to 9,528.46, 13,148.83 and 5,221.33 is: 7,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.46 : 13,148.83 = 5,221.33 : x
  2. Step 2: Convert to fraction form
    9,528.46/13,148.83 = 5,221.33/x
  3. Step 3: Cross multiply
    9,528.46x = 13,148.83 × 5,221.33
  4. Step 4: Simplify right side
    9,528.46x = 68,654,380.54
  5. Step 5: Solve for x
    x = 68,654,380.54/9,528.46
  6. Step 6: Final answer
    x = 7,205.19

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Double scale
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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.