Home / 8,651.34-11,937.87-4,874.22

Finding the Fourth Proportional to 8,651.34, 11,937.87 and 4,874.22

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Solution

The fourth proportional to 8,651.34, 11,937.87 and 4,874.22 is: 6,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.34 : 11,937.87 = 4,874.22 : x
  2. Step 2: Convert to fraction form
    8,651.34/11,937.87 = 4,874.22/x
  3. Step 3: Cross multiply
    8,651.34x = 11,937.87 × 4,874.22
  4. Step 4: Simplify right side
    8,651.34x = 58,187,804.71
  5. Step 5: Solve for x
    x = 58,187,804.71/8,651.34
  6. Step 6: Final answer
    x = 6,725.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.