Home / 12,367.10-18,550.65-3,133.10

Finding the Fourth Proportional to 12,367.10, 18,550.65 and 3,133.10

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Solution

The fourth proportional to 12,367.10, 18,550.65 and 3,133.10 is: 4,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.10 : 18,550.65 = 3,133.10 : x
  2. Step 2: Convert to fraction form
    12,367.10/18,550.65 = 3,133.10/x
  3. Step 3: Cross multiply
    12,367.10x = 18,550.65 × 3,133.10
  4. Step 4: Simplify right side
    12,367.10x = 58,121,041.52
  5. Step 5: Solve for x
    x = 58,121,041.52/12,367.10
  6. Step 6: Final answer
    x = 4,699.65

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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.