Home / 12,332.40-18,505.32-4,540.08

Finding the Fourth Proportional to 12,332.40, 18,505.32 and 4,540.08

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Solution

The fourth proportional to 12,332.40, 18,505.32 and 4,540.08 is: 6,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.40 : 18,505.32 = 4,540.08 : x
  2. Step 2: Convert to fraction form
    12,332.40/18,505.32 = 4,540.08/x
  3. Step 3: Cross multiply
    12,332.40x = 18,505.32 × 4,540.08
  4. Step 4: Simplify right side
    12,332.40x = 84,015,633.23
  5. Step 5: Solve for x
    x = 84,015,633.23/12,332.40
  6. Step 6: Final answer
    x = 6,812.59

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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.