Home / 10,806.24-16,203.80-4,957.76

Finding the Fourth Proportional to 10,806.24, 16,203.80 and 4,957.76

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Solution

The fourth proportional to 10,806.24, 16,203.80 and 4,957.76 is: 7,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.24 : 16,203.80 = 4,957.76 : x
  2. Step 2: Convert to fraction form
    10,806.24/16,203.80 = 4,957.76/x
  3. Step 3: Cross multiply
    10,806.24x = 16,203.80 × 4,957.76
  4. Step 4: Simplify right side
    10,806.24x = 80,334,551.49
  5. Step 5: Solve for x
    x = 80,334,551.49/10,806.24
  6. Step 6: Final answer
    x = 7,434.09

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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.