Home / 12,248.91-18,372.95-5,323.41

Finding the Fourth Proportional to 12,248.91, 18,372.95 and 5,323.41

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Solution

The fourth proportional to 12,248.91, 18,372.95 and 5,323.41 is: 7,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.91 : 18,372.95 = 5,323.41 : x
  2. Step 2: Convert to fraction form
    12,248.91/18,372.95 = 5,323.41/x
  3. Step 3: Cross multiply
    12,248.91x = 18,372.95 × 5,323.41
  4. Step 4: Simplify right side
    12,248.91x = 97,806,745.76
  5. Step 5: Solve for x
    x = 97,806,745.76/12,248.91
  6. Step 6: Final answer
    x = 7,984.93

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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.