Home / 10,747.21-14,831.13-6,270.09

Finding the Fourth Proportional to 10,747.21, 14,831.13 and 6,270.09

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Solution

The fourth proportional to 10,747.21, 14,831.13 and 6,270.09 is: 8,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.21 : 14,831.13 = 6,270.09 : x
  2. Step 2: Convert to fraction form
    10,747.21/14,831.13 = 6,270.09/x
  3. Step 3: Cross multiply
    10,747.21x = 14,831.13 × 6,270.09
  4. Step 4: Simplify right side
    10,747.21x = 92,992,571.22
  5. Step 5: Solve for x
    x = 92,992,571.22/10,747.21
  6. Step 6: Final answer
    x = 8,652.72

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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.