Home / 7,964.51-11,948.78-4,680.36

Finding the Fourth Proportional to 7,964.51, 11,948.78 and 4,680.36

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Solution

The fourth proportional to 7,964.51, 11,948.78 and 4,680.36 is: 7,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.51 : 11,948.78 = 4,680.36 : x
  2. Step 2: Convert to fraction form
    7,964.51/11,948.78 = 4,680.36/x
  3. Step 3: Cross multiply
    7,964.51x = 11,948.78 × 4,680.36
  4. Step 4: Simplify right side
    7,964.51x = 55,924,603.66
  5. Step 5: Solve for x
    x = 55,924,603.66/7,964.51
  6. Step 6: Final answer
    x = 7,021.73

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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.