Home / 12,148.92-16,765.38-6,844.23

Finding the Fourth Proportional to 12,148.92, 16,765.38 and 6,844.23

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Solution

The fourth proportional to 12,148.92, 16,765.38 and 6,844.23 is: 9,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.92 : 16,765.38 = 6,844.23 : x
  2. Step 2: Convert to fraction form
    12,148.92/16,765.38 = 6,844.23/x
  3. Step 3: Cross multiply
    12,148.92x = 16,765.38 × 6,844.23
  4. Step 4: Simplify right side
    12,148.92x = 114,746,116.76
  5. Step 5: Solve for x
    x = 114,746,116.76/12,148.92
  6. Step 6: Final answer
    x = 9,444.96

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Double scale
Find fourth proportional to 12,149.92, 16,766.76 and 6,845.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.