Home / 12,071.66-16,659.59-6,768.18

Finding the Fourth Proportional to 12,071.66, 16,659.59 and 6,768.18

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Solution

The fourth proportional to 12,071.66, 16,659.59 and 6,768.18 is: 9,340.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.66 : 16,659.59 = 6,768.18 : x
  2. Step 2: Convert to fraction form
    12,071.66/16,659.59 = 6,768.18/x
  3. Step 3: Cross multiply
    12,071.66x = 16,659.59 × 6,768.18
  4. Step 4: Simplify right side
    12,071.66x = 112,755,070.01
  5. Step 5: Solve for x
    x = 112,755,070.01/12,071.66
  6. Step 6: Final answer
    x = 9,340.48

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Double scale
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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.