Home / 10,831.53-16,213.26-6,887.24

Finding the Fourth Proportional to 10,831.53, 16,213.26 and 6,887.24

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Solution

The fourth proportional to 10,831.53, 16,213.26 and 6,887.24 is: 10,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.53 : 16,213.26 = 6,887.24 : x
  2. Step 2: Convert to fraction form
    10,831.53/16,213.26 = 6,887.24/x
  3. Step 3: Cross multiply
    10,831.53x = 16,213.26 × 6,887.24
  4. Step 4: Simplify right side
    10,831.53x = 111,664,531.74
  5. Step 5: Solve for x
    x = 111,664,531.74/10,831.53
  6. Step 6: Final answer
    x = 10,309.21

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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.