Home / 6,665.36-9,990.27-5,016.60

Finding the Fourth Proportional to 6,665.36, 9,990.27 and 5,016.60

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Solution

The fourth proportional to 6,665.36, 9,990.27 and 5,016.60 is: 7,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.36 : 9,990.27 = 5,016.60 : x
  2. Step 2: Convert to fraction form
    6,665.36/9,990.27 = 5,016.60/x
  3. Step 3: Cross multiply
    6,665.36x = 9,990.27 × 5,016.60
  4. Step 4: Simplify right side
    6,665.36x = 50,117,188.48
  5. Step 5: Solve for x
    x = 50,117,188.48/6,665.36
  6. Step 6: Final answer
    x = 7,519.06

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1.5x scale

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.