Home / 7,747.11-10,693.40-7,350.37

Finding the Fourth Proportional to 7,747.11, 10,693.40 and 7,350.37

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Solution

The fourth proportional to 7,747.11, 10,693.40 and 7,350.37 is: 10,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.11 : 10,693.40 = 7,350.37 : x
  2. Step 2: Convert to fraction form
    7,747.11/10,693.40 = 7,350.37/x
  3. Step 3: Cross multiply
    7,747.11x = 10,693.40 × 7,350.37
  4. Step 4: Simplify right side
    7,747.11x = 78,600,485.50
  5. Step 5: Solve for x
    x = 78,600,485.50/7,747.11
  6. Step 6: Final answer
    x = 10,145.79

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1.5x scale

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.