Home / 9,638.43-13,295.90-5,862.75

Finding the Fourth Proportional to 9,638.43, 13,295.90 and 5,862.75

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Solution

The fourth proportional to 9,638.43, 13,295.90 and 5,862.75 is: 8,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.43 : 13,295.90 = 5,862.75 : x
  2. Step 2: Convert to fraction form
    9,638.43/13,295.90 = 5,862.75/x
  3. Step 3: Cross multiply
    9,638.43x = 13,295.90 × 5,862.75
  4. Step 4: Simplify right side
    9,638.43x = 77,950,523.07
  5. Step 5: Solve for x
    x = 77,950,523.07/9,638.43
  6. Step 6: Final answer
    x = 8,087.47

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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.