Home / 10,989.44-15,163.12-6,273.60

Finding the Fourth Proportional to 10,989.44, 15,163.12 and 6,273.60

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Solution

The fourth proportional to 10,989.44, 15,163.12 and 6,273.60 is: 8,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.44 : 15,163.12 = 6,273.60 : x
  2. Step 2: Convert to fraction form
    10,989.44/15,163.12 = 6,273.60/x
  3. Step 3: Cross multiply
    10,989.44x = 15,163.12 × 6,273.60
  4. Step 4: Simplify right side
    10,989.44x = 95,127,349.63
  5. Step 5: Solve for x
    x = 95,127,349.63/10,989.44
  6. Step 6: Final answer
    x = 8,656.25

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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.