Home / 10,022.80-13,831.26-5,546.29

Finding the Fourth Proportional to 10,022.80, 13,831.26 and 5,546.29

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Solution

The fourth proportional to 10,022.80, 13,831.26 and 5,546.29 is: 7,653.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.80 : 13,831.26 = 5,546.29 : x
  2. Step 2: Convert to fraction form
    10,022.80/13,831.26 = 5,546.29/x
  3. Step 3: Cross multiply
    10,022.80x = 13,831.26 × 5,546.29
  4. Step 4: Simplify right side
    10,022.80x = 76,712,144.45
  5. Step 5: Solve for x
    x = 76,712,144.45/10,022.80
  6. Step 6: Final answer
    x = 7,653.76

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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.