Home / 10,747.36-16,126-4,905.76

Finding the Fourth Proportional to 10,747.36, 16,126 and 4,905.76

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Solution

The fourth proportional to 10,747.36, 16,126 and 4,905.76 is: 7,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.36 : 16,126 = 4,905.76 : x
  2. Step 2: Convert to fraction form
    10,747.36/16,126 = 4,905.76/x
  3. Step 3: Cross multiply
    10,747.36x = 16,126 × 4,905.76
  4. Step 4: Simplify right side
    10,747.36x = 79,110,285.76
  5. Step 5: Solve for x
    x = 79,110,285.76/10,747.36
  6. Step 6: Final answer
    x = 7,360.90

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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.