Home / 10,922.14-15,072.87-6,673.90

Finding the Fourth Proportional to 10,922.14, 15,072.87 and 6,673.90

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Solution

The fourth proportional to 10,922.14, 15,072.87 and 6,673.90 is: 9,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.14 : 15,072.87 = 6,673.90 : x
  2. Step 2: Convert to fraction form
    10,922.14/15,072.87 = 6,673.90/x
  3. Step 3: Cross multiply
    10,922.14x = 15,072.87 × 6,673.90
  4. Step 4: Simplify right side
    10,922.14x = 100,594,827.09
  5. Step 5: Solve for x
    x = 100,594,827.09/10,922.14
  6. Step 6: Final answer
    x = 9,210.18

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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.