Home / 7,960.29-10,990.26-5,446.59

Finding the Fourth Proportional to 7,960.29, 10,990.26 and 5,446.59

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Solution

The fourth proportional to 7,960.29, 10,990.26 and 5,446.59 is: 7,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.29 : 10,990.26 = 5,446.59 : x
  2. Step 2: Convert to fraction form
    7,960.29/10,990.26 = 5,446.59/x
  3. Step 3: Cross multiply
    7,960.29x = 10,990.26 × 5,446.59
  4. Step 4: Simplify right side
    7,960.29x = 59,859,440.21
  5. Step 5: Solve for x
    x = 59,859,440.21/7,960.29
  6. Step 6: Final answer
    x = 7,519.76

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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.