Home / 13,299.07-18,352.84-7,330.95

Finding the Fourth Proportional to 13,299.07, 18,352.84 and 7,330.95

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Solution

The fourth proportional to 13,299.07, 18,352.84 and 7,330.95 is: 10,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.07 : 18,352.84 = 7,330.95 : x
  2. Step 2: Convert to fraction form
    13,299.07/18,352.84 = 7,330.95/x
  3. Step 3: Cross multiply
    13,299.07x = 18,352.84 × 7,330.95
  4. Step 4: Simplify right side
    13,299.07x = 134,543,795.97
  5. Step 5: Solve for x
    x = 134,543,795.97/13,299.07
  6. Step 6: Final answer
    x = 10,116.78

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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.