Home / 7,239.48-10,851.06-4,311.66

Finding the Fourth Proportional to 7,239.48, 10,851.06 and 4,311.66

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Solution

The fourth proportional to 7,239.48, 10,851.06 and 4,311.66 is: 6,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.48 : 10,851.06 = 4,311.66 : x
  2. Step 2: Convert to fraction form
    7,239.48/10,851.06 = 4,311.66/x
  3. Step 3: Cross multiply
    7,239.48x = 10,851.06 × 4,311.66
  4. Step 4: Simplify right side
    7,239.48x = 46,786,081.36
  5. Step 5: Solve for x
    x = 46,786,081.36/7,239.48
  6. Step 6: Final answer
    x = 6,462.63

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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.