Home / 11,799.99-16,278.30-7,328.95

Finding the Fourth Proportional to 11,799.99, 16,278.30 and 7,328.95

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Solution

The fourth proportional to 11,799.99, 16,278.30 and 7,328.95 is: 10,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,799.99 : 16,278.30 = 7,328.95 : x
  2. Step 2: Convert to fraction form
    11,799.99/16,278.30 = 7,328.95/x
  3. Step 3: Cross multiply
    11,799.99x = 16,278.30 × 7,328.95
  4. Step 4: Simplify right side
    11,799.99x = 119,302,806.09
  5. Step 5: Solve for x
    x = 119,302,806.09/11,799.99
  6. Step 6: Final answer
    x = 10,110.42

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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.