Home / 10,904.12-16,355.84-3,112.93

Finding the Fourth Proportional to 10,904.12, 16,355.84 and 3,112.93

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Solution

The fourth proportional to 10,904.12, 16,355.84 and 3,112.93 is: 4,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.12 : 16,355.84 = 3,112.93 : x
  2. Step 2: Convert to fraction form
    10,904.12/16,355.84 = 3,112.93/x
  3. Step 3: Cross multiply
    10,904.12x = 16,355.84 × 3,112.93
  4. Step 4: Simplify right side
    10,904.12x = 50,914,585.01
  5. Step 5: Solve for x
    x = 50,914,585.01/10,904.12
  6. Step 6: Final answer
    x = 4,669.30

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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.