Home / 10,125.82-13,969.29-5,876.56

Finding the Fourth Proportional to 10,125.82, 13,969.29 and 5,876.56

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Solution

The fourth proportional to 10,125.82, 13,969.29 and 5,876.56 is: 8,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.82 : 13,969.29 = 5,876.56 : x
  2. Step 2: Convert to fraction form
    10,125.82/13,969.29 = 5,876.56/x
  3. Step 3: Cross multiply
    10,125.82x = 13,969.29 × 5,876.56
  4. Step 4: Simplify right side
    10,125.82x = 82,091,370.84
  5. Step 5: Solve for x
    x = 82,091,370.84/10,125.82
  6. Step 6: Final answer
    x = 8,107.13

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1.5x scale

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.