Home / 7,862.66-11,778.54-4,568.84

Finding the Fourth Proportional to 7,862.66, 11,778.54 and 4,568.84

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Solution

The fourth proportional to 7,862.66, 11,778.54 and 4,568.84 is: 6,844.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.66 : 11,778.54 = 4,568.84 : x
  2. Step 2: Convert to fraction form
    7,862.66/11,778.54 = 4,568.84/x
  3. Step 3: Cross multiply
    7,862.66x = 11,778.54 × 4,568.84
  4. Step 4: Simplify right side
    7,862.66x = 53,814,264.69
  5. Step 5: Solve for x
    x = 53,814,264.69/7,862.66
  6. Step 6: Final answer
    x = 6,844.28

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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.