Home / 10,676.40-16,003.80-4,837.20

Finding the Fourth Proportional to 10,676.40, 16,003.80 and 4,837.20

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Solution

The fourth proportional to 10,676.40, 16,003.80 and 4,837.20 is: 7,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676.40 : 16,003.80 = 4,837.20 : x
  2. Step 2: Convert to fraction form
    10,676.40/16,003.80 = 4,837.20/x
  3. Step 3: Cross multiply
    10,676.40x = 16,003.80 × 4,837.20
  4. Step 4: Simplify right side
    10,676.40x = 77,413,581.36
  5. Step 5: Solve for x
    x = 77,413,581.36/10,676.40
  6. Step 6: Final answer
    x = 7,250.91

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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.