Home / 11,907.92-16,448.52-9,127.76

Finding the Fourth Proportional to 11,907.92, 16,448.52 and 9,127.76

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Solution

The fourth proportional to 11,907.92, 16,448.52 and 9,127.76 is: 12,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.92 : 16,448.52 = 9,127.76 : x
  2. Step 2: Convert to fraction form
    11,907.92/16,448.52 = 9,127.76/x
  3. Step 3: Cross multiply
    11,907.92x = 16,448.52 × 9,127.76
  4. Step 4: Simplify right side
    11,907.92x = 150,138,142.92
  5. Step 5: Solve for x
    x = 150,138,142.92/11,907.92
  6. Step 6: Final answer
    x = 12,608.26

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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.