Home / 6,760.13-10,140.19-2,143.13

Finding the Fourth Proportional to 6,760.13, 10,140.19 and 2,143.13

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Solution

The fourth proportional to 6,760.13, 10,140.19 and 2,143.13 is: 3,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.13 : 10,140.19 = 2,143.13 : x
  2. Step 2: Convert to fraction form
    6,760.13/10,140.19 = 2,143.13/x
  3. Step 3: Cross multiply
    6,760.13x = 10,140.19 × 2,143.13
  4. Step 4: Simplify right side
    6,760.13x = 21,731,689.34
  5. Step 5: Solve for x
    x = 21,731,689.34/6,760.13
  6. Step 6: Final answer
    x = 3,214.69

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Double scale
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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.