Home / 7,440.60-11,160.90-5,798.38

Finding the Fourth Proportional to 7,440.60, 11,160.90 and 5,798.38

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Solution

The fourth proportional to 7,440.60, 11,160.90 and 5,798.38 is: 8,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.60 : 11,160.90 = 5,798.38 : x
  2. Step 2: Convert to fraction form
    7,440.60/11,160.90 = 5,798.38/x
  3. Step 3: Cross multiply
    7,440.60x = 11,160.90 × 5,798.38
  4. Step 4: Simplify right side
    7,440.60x = 64,715,083.54
  5. Step 5: Solve for x
    x = 64,715,083.54/7,440.60
  6. Step 6: Final answer
    x = 8,697.56

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Double scale
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Similar ratio
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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.