Home / 9,781.36-14,676.76-4,851.44

Finding the Fourth Proportional to 9,781.36, 14,676.76 and 4,851.44

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Solution

The fourth proportional to 9,781.36, 14,676.76 and 4,851.44 is: 7,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.36 : 14,676.76 = 4,851.44 : x
  2. Step 2: Convert to fraction form
    9,781.36/14,676.76 = 4,851.44/x
  3. Step 3: Cross multiply
    9,781.36x = 14,676.76 × 4,851.44
  4. Step 4: Simplify right side
    9,781.36x = 71,203,420.53
  5. Step 5: Solve for x
    x = 71,203,420.53/9,781.36
  6. Step 6: Final answer
    x = 7,279.50

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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.