Home / 10,993.06-15,171.24-6,277.60

Finding the Fourth Proportional to 10,993.06, 15,171.24 and 6,277.60

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Solution

The fourth proportional to 10,993.06, 15,171.24 and 6,277.60 is: 8,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.06 : 15,171.24 = 6,277.60 : x
  2. Step 2: Convert to fraction form
    10,993.06/15,171.24 = 6,277.60/x
  3. Step 3: Cross multiply
    10,993.06x = 15,171.24 × 6,277.60
  4. Step 4: Simplify right side
    10,993.06x = 95,238,976.22
  5. Step 5: Solve for x
    x = 95,238,976.22/10,993.06
  6. Step 6: Final answer
    x = 8,663.55

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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.