Home / 8,717.66-13,076.46-2,477.68

Finding the Fourth Proportional to 8,717.66, 13,076.46 and 2,477.68

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Solution

The fourth proportional to 8,717.66, 13,076.46 and 2,477.68 is: 3,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.66 : 13,076.46 = 2,477.68 : x
  2. Step 2: Convert to fraction form
    8,717.66/13,076.46 = 2,477.68/x
  3. Step 3: Cross multiply
    8,717.66x = 13,076.46 × 2,477.68
  4. Step 4: Simplify right side
    8,717.66x = 32,399,283.41
  5. Step 5: Solve for x
    x = 32,399,283.41/8,717.66
  6. Step 6: Final answer
    x = 3,716.51

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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.