Home / 11,907.45-16,440.30-10,644.48

Finding the Fourth Proportional to 11,907.45, 16,440.30 and 10,644.48

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Solution

The fourth proportional to 11,907.45, 16,440.30 and 10,644.48 is: 14,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.45 : 16,440.30 = 10,644.48 : x
  2. Step 2: Convert to fraction form
    11,907.45/16,440.30 = 10,644.48/x
  3. Step 3: Cross multiply
    11,907.45x = 16,440.30 × 10,644.48
  4. Step 4: Simplify right side
    11,907.45x = 174,998,444.54
  5. Step 5: Solve for x
    x = 174,998,444.54/11,907.45
  6. Step 6: Final answer
    x = 14,696.55

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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.