Home / 7,113.13-10,669.25-2,182.39

Finding the Fourth Proportional to 7,113.13, 10,669.25 and 2,182.39

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Solution

The fourth proportional to 7,113.13, 10,669.25 and 2,182.39 is: 3,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.13 : 10,669.25 = 2,182.39 : x
  2. Step 2: Convert to fraction form
    7,113.13/10,669.25 = 2,182.39/x
  3. Step 3: Cross multiply
    7,113.13x = 10,669.25 × 2,182.39
  4. Step 4: Simplify right side
    7,113.13x = 23,284,464.51
  5. Step 5: Solve for x
    x = 23,284,464.51/7,113.13
  6. Step 6: Final answer
    x = 3,273.45

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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.