Home / 12,247.74-18,368.51-3,363.09

Finding the Fourth Proportional to 12,247.74, 18,368.51 and 3,363.09

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Solution

The fourth proportional to 12,247.74, 18,368.51 and 3,363.09 is: 5,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.74 : 18,368.51 = 3,363.09 : x
  2. Step 2: Convert to fraction form
    12,247.74/18,368.51 = 3,363.09/x
  3. Step 3: Cross multiply
    12,247.74x = 18,368.51 × 3,363.09
  4. Step 4: Simplify right side
    12,247.74x = 61,774,866.60
  5. Step 5: Solve for x
    x = 61,774,866.60/12,247.74
  6. Step 6: Final answer
    x = 5,043.78

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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.