Home / 11,860.02-16,369.97-6,824.86

Finding the Fourth Proportional to 11,860.02, 16,369.97 and 6,824.86

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Solution

The fourth proportional to 11,860.02, 16,369.97 and 6,824.86 is: 9,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.02 : 16,369.97 = 6,824.86 : x
  2. Step 2: Convert to fraction form
    11,860.02/16,369.97 = 6,824.86/x
  3. Step 3: Cross multiply
    11,860.02x = 16,369.97 × 6,824.86
  4. Step 4: Simplify right side
    11,860.02x = 111,722,678.40
  5. Step 5: Solve for x
    x = 111,722,678.40/11,860.02
  6. Step 6: Final answer
    x = 9,420.11

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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.