Home / 10,504.08-15,750.63-3,107.61

Finding the Fourth Proportional to 10,504.08, 15,750.63 and 3,107.61

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Solution

The fourth proportional to 10,504.08, 15,750.63 and 3,107.61 is: 4,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.08 : 15,750.63 = 3,107.61 : x
  2. Step 2: Convert to fraction form
    10,504.08/15,750.63 = 3,107.61/x
  3. Step 3: Cross multiply
    10,504.08x = 15,750.63 × 3,107.61
  4. Step 4: Simplify right side
    10,504.08x = 48,946,815.29
  5. Step 5: Solve for x
    x = 48,946,815.29/10,504.08
  6. Step 6: Final answer
    x = 4,659.79

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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.