Home / 7,514.20-10,369.40-4,156.92

Finding the Fourth Proportional to 7,514.20, 10,369.40 and 4,156.92

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Solution

The fourth proportional to 7,514.20, 10,369.40 and 4,156.92 is: 5,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.20 : 10,369.40 = 4,156.92 : x
  2. Step 2: Convert to fraction form
    7,514.20/10,369.40 = 4,156.92/x
  3. Step 3: Cross multiply
    7,514.20x = 10,369.40 × 4,156.92
  4. Step 4: Simplify right side
    7,514.20x = 43,104,766.25
  5. Step 5: Solve for x
    x = 43,104,766.25/7,514.20
  6. Step 6: Final answer
    x = 5,736.44

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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.