Home / 8,282.91-12,415.38-4,126.02

Finding the Fourth Proportional to 8,282.91, 12,415.38 and 4,126.02

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Solution

The fourth proportional to 8,282.91, 12,415.38 and 4,126.02 is: 6,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.91 : 12,415.38 = 4,126.02 : x
  2. Step 2: Convert to fraction form
    8,282.91/12,415.38 = 4,126.02/x
  3. Step 3: Cross multiply
    8,282.91x = 12,415.38 × 4,126.02
  4. Step 4: Simplify right side
    8,282.91x = 51,226,106.19
  5. Step 5: Solve for x
    x = 51,226,106.19/8,282.91
  6. Step 6: Final answer
    x = 6,184.55

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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.