Home / 9,081.48-13,628-3,887.32

Finding the Fourth Proportional to 9,081.48, 13,628 and 3,887.32

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Solution

The fourth proportional to 9,081.48, 13,628 and 3,887.32 is: 5,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.48 : 13,628 = 3,887.32 : x
  2. Step 2: Convert to fraction form
    9,081.48/13,628 = 3,887.32/x
  3. Step 3: Cross multiply
    9,081.48x = 13,628 × 3,887.32
  4. Step 4: Simplify right side
    9,081.48x = 52,976,396.96
  5. Step 5: Solve for x
    x = 52,976,396.96/9,081.48
  6. Step 6: Final answer
    x = 5,833.45

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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.