Home / 10,904.60-15,048.42-6,188.96

Finding the Fourth Proportional to 10,904.60, 15,048.42 and 6,188.96

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Solution

The fourth proportional to 10,904.60, 15,048.42 and 6,188.96 is: 8,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.60 : 15,048.42 = 6,188.96 : x
  2. Step 2: Convert to fraction form
    10,904.60/15,048.42 = 6,188.96/x
  3. Step 3: Cross multiply
    10,904.60x = 15,048.42 × 6,188.96
  4. Step 4: Simplify right side
    10,904.60x = 93,134,069.44
  5. Step 5: Solve for x
    x = 93,134,069.44/10,904.60
  6. Step 6: Final answer
    x = 8,540.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.