Home / 12,196.23-16,831.13-6,890.94

Finding the Fourth Proportional to 12,196.23, 16,831.13 and 6,890.94

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Solution

The fourth proportional to 12,196.23, 16,831.13 and 6,890.94 is: 9,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196.23 : 16,831.13 = 6,890.94 : x
  2. Step 2: Convert to fraction form
    12,196.23/16,831.13 = 6,890.94/x
  3. Step 3: Cross multiply
    12,196.23x = 16,831.13 × 6,890.94
  4. Step 4: Simplify right side
    12,196.23x = 115,982,306.96
  5. Step 5: Solve for x
    x = 115,982,306.96/12,196.23
  6. Step 6: Final answer
    x = 9,509.69

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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.