Home / 10,446.50-15,669.98-4,896.79

Finding the Fourth Proportional to 10,446.50, 15,669.98 and 4,896.79

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Solution

The fourth proportional to 10,446.50, 15,669.98 and 4,896.79 is: 7,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.50 : 15,669.98 = 4,896.79 : x
  2. Step 2: Convert to fraction form
    10,446.50/15,669.98 = 4,896.79/x
  3. Step 3: Cross multiply
    10,446.50x = 15,669.98 × 4,896.79
  4. Step 4: Simplify right side
    10,446.50x = 76,732,601.36
  5. Step 5: Solve for x
    x = 76,732,601.36/10,446.50
  6. Step 6: Final answer
    x = 7,345.29

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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.