Home / 10,291.14-14,186.61-8,872.02

Finding the Fourth Proportional to 10,291.14, 14,186.61 and 8,872.02

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Solution

The fourth proportional to 10,291.14, 14,186.61 and 8,872.02 is: 12,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.14 : 14,186.61 = 8,872.02 : x
  2. Step 2: Convert to fraction form
    10,291.14/14,186.61 = 8,872.02/x
  3. Step 3: Cross multiply
    10,291.14x = 14,186.61 × 8,872.02
  4. Step 4: Simplify right side
    10,291.14x = 125,863,887.65
  5. Step 5: Solve for x
    x = 125,863,887.65/10,291.14
  6. Step 6: Final answer
    x = 12,230.32

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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.