Home / 10,226.14-14,119.07-7,831.89

Finding the Fourth Proportional to 10,226.14, 14,119.07 and 7,831.89

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Solution

The fourth proportional to 10,226.14, 14,119.07 and 7,831.89 is: 10,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.14 : 14,119.07 = 7,831.89 : x
  2. Step 2: Convert to fraction form
    10,226.14/14,119.07 = 7,831.89/x
  3. Step 3: Cross multiply
    10,226.14x = 14,119.07 × 7,831.89
  4. Step 4: Simplify right side
    10,226.14x = 110,578,963.98
  5. Step 5: Solve for x
    x = 110,578,963.98/10,226.14
  6. Step 6: Final answer
    x = 10,813.37

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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.