Home / 12,247.08-16,900.60-6,942.36

Finding the Fourth Proportional to 12,247.08, 16,900.60 and 6,942.36

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Solution

The fourth proportional to 12,247.08, 16,900.60 and 6,942.36 is: 9,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.08 : 16,900.60 = 6,942.36 : x
  2. Step 2: Convert to fraction form
    12,247.08/16,900.60 = 6,942.36/x
  3. Step 3: Cross multiply
    12,247.08x = 16,900.60 × 6,942.36
  4. Step 4: Simplify right side
    12,247.08x = 117,330,049.42
  5. Step 5: Solve for x
    x = 117,330,049.42/12,247.08
  6. Step 6: Final answer
    x = 9,580.25

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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.