Home / 12,357.26-18,536.89-4,037.09

Finding the Fourth Proportional to 12,357.26, 18,536.89 and 4,037.09

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Solution

The fourth proportional to 12,357.26, 18,536.89 and 4,037.09 is: 6,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.26 : 18,536.89 = 4,037.09 : x
  2. Step 2: Convert to fraction form
    12,357.26/18,536.89 = 4,037.09/x
  3. Step 3: Cross multiply
    12,357.26x = 18,536.89 × 4,037.09
  4. Step 4: Simplify right side
    12,357.26x = 74,835,000.57
  5. Step 5: Solve for x
    x = 74,835,000.57/12,357.26
  6. Step 6: Final answer
    x = 6,055.96

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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.