Home / 7,099.68-10,647.36-2,170.02

Finding the Fourth Proportional to 7,099.68, 10,647.36 and 2,170.02

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Solution

The fourth proportional to 7,099.68, 10,647.36 and 2,170.02 is: 3,254.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.68 : 10,647.36 = 2,170.02 : x
  2. Step 2: Convert to fraction form
    7,099.68/10,647.36 = 2,170.02/x
  3. Step 3: Cross multiply
    7,099.68x = 10,647.36 × 2,170.02
  4. Step 4: Simplify right side
    7,099.68x = 23,104,984.15
  5. Step 5: Solve for x
    x = 23,104,984.15/7,099.68
  6. Step 6: Final answer
    x = 3,254.37

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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.