Home / 10,109.22-13,950.38-5,632.82

Finding the Fourth Proportional to 10,109.22, 13,950.38 and 5,632.82

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Solution

The fourth proportional to 10,109.22, 13,950.38 and 5,632.82 is: 7,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.22 : 13,950.38 = 5,632.82 : x
  2. Step 2: Convert to fraction form
    10,109.22/13,950.38 = 5,632.82/x
  3. Step 3: Cross multiply
    10,109.22x = 13,950.38 × 5,632.82
  4. Step 4: Simplify right side
    10,109.22x = 78,579,979.47
  5. Step 5: Solve for x
    x = 78,579,979.47/10,109.22
  6. Step 6: Final answer
    x = 7,773.10

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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.