Home / 6,461.16-9,686.97-2,076.12

Finding the Fourth Proportional to 6,461.16, 9,686.97 and 2,076.12

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Solution

The fourth proportional to 6,461.16, 9,686.97 and 2,076.12 is: 3,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.16 : 9,686.97 = 2,076.12 : x
  2. Step 2: Convert to fraction form
    6,461.16/9,686.97 = 2,076.12/x
  3. Step 3: Cross multiply
    6,461.16x = 9,686.97 × 2,076.12
  4. Step 4: Simplify right side
    6,461.16x = 20,111,312.16
  5. Step 5: Solve for x
    x = 20,111,312.16/6,461.16
  6. Step 6: Final answer
    x = 3,112.65

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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.