Home / 9,872.46-13,617.63-5,890.50

Finding the Fourth Proportional to 9,872.46, 13,617.63 and 5,890.50

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Solution

The fourth proportional to 9,872.46, 13,617.63 and 5,890.50 is: 8,125.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.46 : 13,617.63 = 5,890.50 : x
  2. Step 2: Convert to fraction form
    9,872.46/13,617.63 = 5,890.50/x
  3. Step 3: Cross multiply
    9,872.46x = 13,617.63 × 5,890.50
  4. Step 4: Simplify right side
    9,872.46x = 80,214,649.52
  5. Step 5: Solve for x
    x = 80,214,649.52/9,872.46
  6. Step 6: Final answer
    x = 8,125.09

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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.