Home / 11,699.01-16,144.60-6,393.81

Finding the Fourth Proportional to 11,699.01, 16,144.60 and 6,393.81

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Solution

The fourth proportional to 11,699.01, 16,144.60 and 6,393.81 is: 8,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.01 : 16,144.60 = 6,393.81 : x
  2. Step 2: Convert to fraction form
    11,699.01/16,144.60 = 6,393.81/x
  3. Step 3: Cross multiply
    11,699.01x = 16,144.60 × 6,393.81
  4. Step 4: Simplify right side
    11,699.01x = 103,225,504.93
  5. Step 5: Solve for x
    x = 103,225,504.93/11,699.01
  6. Step 6: Final answer
    x = 8,823.44

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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.