Home / 12,248.52-18,360.98-7,792.30

Finding the Fourth Proportional to 12,248.52, 18,360.98 and 7,792.30

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Solution

The fourth proportional to 12,248.52, 18,360.98 and 7,792.30 is: 11,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.52 : 18,360.98 = 7,792.30 : x
  2. Step 2: Convert to fraction form
    12,248.52/18,360.98 = 7,792.30/x
  3. Step 3: Cross multiply
    12,248.52x = 18,360.98 × 7,792.30
  4. Step 4: Simplify right side
    12,248.52x = 143,074,277.66
  5. Step 5: Solve for x
    x = 143,074,277.66/12,248.52
  6. Step 6: Final answer
    x = 11,680.95

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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.