Home / 7,971.90-11,002.09-4,614.66

Finding the Fourth Proportional to 7,971.90, 11,002.09 and 4,614.66

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Solution

The fourth proportional to 7,971.90, 11,002.09 and 4,614.66 is: 6,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.90 : 11,002.09 = 4,614.66 : x
  2. Step 2: Convert to fraction form
    7,971.90/11,002.09 = 4,614.66/x
  3. Step 3: Cross multiply
    7,971.90x = 11,002.09 × 4,614.66
  4. Step 4: Simplify right side
    7,971.90x = 50,770,904.64
  5. Step 5: Solve for x
    x = 50,770,904.64/7,971.90
  6. Step 6: Final answer
    x = 6,368.73

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Why These Related Problems?

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