Home / 7,039.70-10,553.06-3,343.68

Finding the Fourth Proportional to 7,039.70, 10,553.06 and 3,343.68

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Solution

The fourth proportional to 7,039.70, 10,553.06 and 3,343.68 is: 5,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.70 : 10,553.06 = 3,343.68 : x
  2. Step 2: Convert to fraction form
    7,039.70/10,553.06 = 3,343.68/x
  3. Step 3: Cross multiply
    7,039.70x = 10,553.06 × 3,343.68
  4. Step 4: Simplify right side
    7,039.70x = 35,286,055.66
  5. Step 5: Solve for x
    x = 35,286,055.66/7,039.70
  6. Step 6: Final answer
    x = 5,012.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.