Home / 10,394.88-15,587.73-5,126.37

Finding the Fourth Proportional to 10,394.88, 15,587.73 and 5,126.37

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Solution

The fourth proportional to 10,394.88, 15,587.73 and 5,126.37 is: 7,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.88 : 15,587.73 = 5,126.37 : x
  2. Step 2: Convert to fraction form
    10,394.88/15,587.73 = 5,126.37/x
  3. Step 3: Cross multiply
    10,394.88x = 15,587.73 × 5,126.37
  4. Step 4: Simplify right side
    10,394.88x = 79,908,471.44
  5. Step 5: Solve for x
    x = 79,908,471.44/10,394.88
  6. Step 6: Final answer
    x = 7,687.29

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1.5x scale

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.