Home / 10,707.58-16,065.96-4,138.38

Finding the Fourth Proportional to 10,707.58, 16,065.96 and 4,138.38

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Solution

The fourth proportional to 10,707.58, 16,065.96 and 4,138.38 is: 6,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.58 : 16,065.96 = 4,138.38 : x
  2. Step 2: Convert to fraction form
    10,707.58/16,065.96 = 4,138.38/x
  3. Step 3: Cross multiply
    10,707.58x = 16,065.96 × 4,138.38
  4. Step 4: Simplify right side
    10,707.58x = 66,487,047.54
  5. Step 5: Solve for x
    x = 66,487,047.54/10,707.58
  6. Step 6: Final answer
    x = 6,209.34

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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.