Home / 10,840.37-16,248.17-4,921.77

Finding the Fourth Proportional to 10,840.37, 16,248.17 and 4,921.77

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Solution

The fourth proportional to 10,840.37, 16,248.17 and 4,921.77 is: 7,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.37 : 16,248.17 = 4,921.77 : x
  2. Step 2: Convert to fraction form
    10,840.37/16,248.17 = 4,921.77/x
  3. Step 3: Cross multiply
    10,840.37x = 16,248.17 × 4,921.77
  4. Step 4: Simplify right side
    10,840.37x = 79,969,767.97
  5. Step 5: Solve for x
    x = 79,969,767.97/10,840.37
  6. Step 6: Final answer
    x = 7,377.03

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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.