Home / 9,158.74-13,728.85-3,616.00

Finding the Fourth Proportional to 9,158.74, 13,728.85 and 3,616.00

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Solution

The fourth proportional to 9,158.74, 13,728.85 and 3,616.00 is: 5,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.74 : 13,728.85 = 3,616.00 : x
  2. Step 2: Convert to fraction form
    9,158.74/13,728.85 = 3,616.00/x
  3. Step 3: Cross multiply
    9,158.74x = 13,728.85 × 3,616.00
  4. Step 4: Simplify right side
    9,158.74x = 49,643,478.24
  5. Step 5: Solve for x
    x = 49,643,478.24/9,158.74
  6. Step 6: Final answer
    x = 5,420.34

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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.