Home / 10,708.40-16,064.13-3,313.49

Finding the Fourth Proportional to 10,708.40, 16,064.13 and 3,313.49

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Solution

The fourth proportional to 10,708.40, 16,064.13 and 3,313.49 is: 4,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.40 : 16,064.13 = 3,313.49 : x
  2. Step 2: Convert to fraction form
    10,708.40/16,064.13 = 3,313.49/x
  3. Step 3: Cross multiply
    10,708.40x = 16,064.13 × 3,313.49
  4. Step 4: Simplify right side
    10,708.40x = 53,228,334.11
  5. Step 5: Solve for x
    x = 53,228,334.11/10,708.40
  6. Step 6: Final answer
    x = 4,970.71

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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.