Home / 12,247.45-16,901.66-6,942.15

Finding the Fourth Proportional to 12,247.45, 16,901.66 and 6,942.15

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Solution

The fourth proportional to 12,247.45, 16,901.66 and 6,942.15 is: 9,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.45 : 16,901.66 = 6,942.15 : x
  2. Step 2: Convert to fraction form
    12,247.45/16,901.66 = 6,942.15/x
  3. Step 3: Cross multiply
    12,247.45x = 16,901.66 × 6,942.15
  4. Step 4: Simplify right side
    12,247.45x = 117,333,876.32
  5. Step 5: Solve for x
    x = 117,333,876.32/12,247.45
  6. Step 6: Final answer
    x = 9,580.27

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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.