Home / 11,831.07-17,750.67-5,261.85

Finding the Fourth Proportional to 11,831.07, 17,750.67 and 5,261.85

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Solution

The fourth proportional to 11,831.07, 17,750.67 and 5,261.85 is: 7,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.07 : 17,750.67 = 5,261.85 : x
  2. Step 2: Convert to fraction form
    11,831.07/17,750.67 = 5,261.85/x
  3. Step 3: Cross multiply
    11,831.07x = 17,750.67 × 5,261.85
  4. Step 4: Simplify right side
    11,831.07x = 93,401,362.94
  5. Step 5: Solve for x
    x = 93,401,362.94/11,831.07
  6. Step 6: Final answer
    x = 7,894.58

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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.