Home / 12,196.75-16,831.51-6,607.75

Finding the Fourth Proportional to 12,196.75, 16,831.51 and 6,607.75

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Solution

The fourth proportional to 12,196.75, 16,831.51 and 6,607.75 is: 9,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196.75 : 16,831.51 = 6,607.75 : x
  2. Step 2: Convert to fraction form
    12,196.75/16,831.51 = 6,607.75/x
  3. Step 3: Cross multiply
    12,196.75x = 16,831.51 × 6,607.75
  4. Step 4: Simplify right side
    12,196.75x = 111,218,410.20
  5. Step 5: Solve for x
    x = 111,218,410.20/12,196.75
  6. Step 6: Final answer
    x = 9,118.69

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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.