Home / 9,540.55-13,165.95-5,348.80

Finding the Fourth Proportional to 9,540.55, 13,165.95 and 5,348.80

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Solution

The fourth proportional to 9,540.55, 13,165.95 and 5,348.80 is: 7,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.55 : 13,165.95 = 5,348.80 : x
  2. Step 2: Convert to fraction form
    9,540.55/13,165.95 = 5,348.80/x
  3. Step 3: Cross multiply
    9,540.55x = 13,165.95 × 5,348.80
  4. Step 4: Simplify right side
    9,540.55x = 70,422,033.36
  5. Step 5: Solve for x
    x = 70,422,033.36/9,540.55
  6. Step 6: Final answer
    x = 7,381.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.