Home / 6,693.38-9,236.58-4,040.18

Finding the Fourth Proportional to 6,693.38, 9,236.58 and 4,040.18

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Solution

The fourth proportional to 6,693.38, 9,236.58 and 4,040.18 is: 5,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.38 : 9,236.58 = 4,040.18 : x
  2. Step 2: Convert to fraction form
    6,693.38/9,236.58 = 4,040.18/x
  3. Step 3: Cross multiply
    6,693.38x = 9,236.58 × 4,040.18
  4. Step 4: Simplify right side
    6,693.38x = 37,317,445.78
  5. Step 5: Solve for x
    x = 37,317,445.78/6,693.38
  6. Step 6: Final answer
    x = 5,575.28

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Half scale
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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.