Home / 7,443.36-11,165.04-4,151.52

Finding the Fourth Proportional to 7,443.36, 11,165.04 and 4,151.52

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Solution

The fourth proportional to 7,443.36, 11,165.04 and 4,151.52 is: 6,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.36 : 11,165.04 = 4,151.52 : x
  2. Step 2: Convert to fraction form
    7,443.36/11,165.04 = 4,151.52/x
  3. Step 3: Cross multiply
    7,443.36x = 11,165.04 × 4,151.52
  4. Step 4: Simplify right side
    7,443.36x = 46,351,886.86
  5. Step 5: Solve for x
    x = 46,351,886.86/7,443.36
  6. Step 6: Final answer
    x = 6,227.28

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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.