Home / 8,728.74-13,088.79-4,568.58

Finding the Fourth Proportional to 8,728.74, 13,088.79 and 4,568.58

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Solution

The fourth proportional to 8,728.74, 13,088.79 and 4,568.58 is: 6,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.74 : 13,088.79 = 4,568.58 : x
  2. Step 2: Convert to fraction form
    8,728.74/13,088.79 = 4,568.58/x
  3. Step 3: Cross multiply
    8,728.74x = 13,088.79 × 4,568.58
  4. Step 4: Simplify right side
    8,728.74x = 59,797,184.22
  5. Step 5: Solve for x
    x = 59,797,184.22/8,728.74
  6. Step 6: Final answer
    x = 6,850.61

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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.