Home / 11,946.80-17,927.69-4,551.90

Finding the Fourth Proportional to 11,946.80, 17,927.69 and 4,551.90

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Solution

The fourth proportional to 11,946.80, 17,927.69 and 4,551.90 is: 6,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.80 : 17,927.69 = 4,551.90 : x
  2. Step 2: Convert to fraction form
    11,946.80/17,927.69 = 4,551.90/x
  3. Step 3: Cross multiply
    11,946.80x = 17,927.69 × 4,551.90
  4. Step 4: Simplify right side
    11,946.80x = 81,605,029.35
  5. Step 5: Solve for x
    x = 81,605,029.35/11,946.80
  6. Step 6: Final answer
    x = 6,830.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.