Home / 8,016.64-11,057.38-7,355.68

Finding the Fourth Proportional to 8,016.64, 11,057.38 and 7,355.68

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Solution

The fourth proportional to 8,016.64, 11,057.38 and 7,355.68 is: 10,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,016.64 : 11,057.38 = 7,355.68 : x
  2. Step 2: Convert to fraction form
    8,016.64/11,057.38 = 7,355.68/x
  3. Step 3: Cross multiply
    8,016.64x = 11,057.38 × 7,355.68
  4. Step 4: Simplify right side
    8,016.64x = 81,334,548.92
  5. Step 5: Solve for x
    x = 81,334,548.92/8,016.64
  6. Step 6: Final answer
    x = 10,145.72

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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.