Home / 7,850.24-10,831.12-5,057.36

Finding the Fourth Proportional to 7,850.24, 10,831.12 and 5,057.36

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Solution

The fourth proportional to 7,850.24, 10,831.12 and 5,057.36 is: 6,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.24 : 10,831.12 = 5,057.36 : x
  2. Step 2: Convert to fraction form
    7,850.24/10,831.12 = 5,057.36/x
  3. Step 3: Cross multiply
    7,850.24x = 10,831.12 × 5,057.36
  4. Step 4: Simplify right side
    7,850.24x = 54,776,873.04
  5. Step 5: Solve for x
    x = 54,776,873.04/7,850.24
  6. Step 6: Final answer
    x = 6,977.73

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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.