Home / 9,936.24-13,708.06-6,401.50

Finding the Fourth Proportional to 9,936.24, 13,708.06 and 6,401.50

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Solution

The fourth proportional to 9,936.24, 13,708.06 and 6,401.50 is: 8,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.24 : 13,708.06 = 6,401.50 : x
  2. Step 2: Convert to fraction form
    9,936.24/13,708.06 = 6,401.50/x
  3. Step 3: Cross multiply
    9,936.24x = 13,708.06 × 6,401.50
  4. Step 4: Simplify right side
    9,936.24x = 87,752,146.09
  5. Step 5: Solve for x
    x = 87,752,146.09/9,936.24
  6. Step 6: Final answer
    x = 8,831.52

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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.