Home / 12,007.44-18,013.32-6,159.24

Finding the Fourth Proportional to 12,007.44, 18,013.32 and 6,159.24

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Solution

The fourth proportional to 12,007.44, 18,013.32 and 6,159.24 is: 9,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.44 : 18,013.32 = 6,159.24 : x
  2. Step 2: Convert to fraction form
    12,007.44/18,013.32 = 6,159.24/x
  3. Step 3: Cross multiply
    12,007.44x = 18,013.32 × 6,159.24
  4. Step 4: Simplify right side
    12,007.44x = 110,948,361.08
  5. Step 5: Solve for x
    x = 110,948,361.08/12,007.44
  6. Step 6: Final answer
    x = 9,239.97

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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.