Home / 12,088.76-18,132.98-3,323.68

Finding the Fourth Proportional to 12,088.76, 18,132.98 and 3,323.68

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Solution

The fourth proportional to 12,088.76, 18,132.98 and 3,323.68 is: 4,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.76 : 18,132.98 = 3,323.68 : x
  2. Step 2: Convert to fraction form
    12,088.76/18,132.98 = 3,323.68/x
  3. Step 3: Cross multiply
    12,088.76x = 18,132.98 × 3,323.68
  4. Step 4: Simplify right side
    12,088.76x = 60,268,222.97
  5. Step 5: Solve for x
    x = 60,268,222.97/12,088.76
  6. Step 6: Final answer
    x = 4,985.48

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Double scale
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Similar ratio
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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.