Home / 11,900.76-16,418.34-7,651.11

Finding the Fourth Proportional to 11,900.76, 16,418.34 and 7,651.11

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Solution

The fourth proportional to 11,900.76, 16,418.34 and 7,651.11 is: 10,555.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.76 : 16,418.34 = 7,651.11 : x
  2. Step 2: Convert to fraction form
    11,900.76/16,418.34 = 7,651.11/x
  3. Step 3: Cross multiply
    11,900.76x = 16,418.34 × 7,651.11
  4. Step 4: Simplify right side
    11,900.76x = 125,618,525.36
  5. Step 5: Solve for x
    x = 125,618,525.36/11,900.76
  6. Step 6: Final answer
    x = 10,555.50

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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.