Home / 7,904.16-11,851.92-3,519.36

Finding the Fourth Proportional to 7,904.16, 11,851.92 and 3,519.36

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Solution

The fourth proportional to 7,904.16, 11,851.92 and 3,519.36 is: 5,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.16 : 11,851.92 = 3,519.36 : x
  2. Step 2: Convert to fraction form
    7,904.16/11,851.92 = 3,519.36/x
  3. Step 3: Cross multiply
    7,904.16x = 11,851.92 × 3,519.36
  4. Step 4: Simplify right side
    7,904.16x = 41,711,173.17
  5. Step 5: Solve for x
    x = 41,711,173.17/7,904.16
  6. Step 6: Final answer
    x = 5,277.12

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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.