Home / 8,616.24-12,924.42-4,718.52

Finding the Fourth Proportional to 8,616.24, 12,924.42 and 4,718.52

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Solution

The fourth proportional to 8,616.24, 12,924.42 and 4,718.52 is: 7,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.24 : 12,924.42 = 4,718.52 : x
  2. Step 2: Convert to fraction form
    8,616.24/12,924.42 = 4,718.52/x
  3. Step 3: Cross multiply
    8,616.24x = 12,924.42 × 4,718.52
  4. Step 4: Simplify right side
    8,616.24x = 60,984,069.64
  5. Step 5: Solve for x
    x = 60,984,069.64/8,616.24
  6. Step 6: Final answer
    x = 7,077.81

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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.