Home / 7,099.18-10,649.79-2,168.18

Finding the Fourth Proportional to 7,099.18, 10,649.79 and 2,168.18

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Solution

The fourth proportional to 7,099.18, 10,649.79 and 2,168.18 is: 3,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.18 : 10,649.79 = 2,168.18 : x
  2. Step 2: Convert to fraction form
    7,099.18/10,649.79 = 2,168.18/x
  3. Step 3: Cross multiply
    7,099.18x = 10,649.79 × 2,168.18
  4. Step 4: Simplify right side
    7,099.18x = 23,090,661.68
  5. Step 5: Solve for x
    x = 23,090,661.68/7,099.18
  6. Step 6: Final answer
    x = 3,252.58

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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.