Home / 7,130.24-10,694.48-2,199.84

Finding the Fourth Proportional to 7,130.24, 10,694.48 and 2,199.84

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Solution

The fourth proportional to 7,130.24, 10,694.48 and 2,199.84 is: 3,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.24 : 10,694.48 = 2,199.84 : x
  2. Step 2: Convert to fraction form
    7,130.24/10,694.48 = 2,199.84/x
  3. Step 3: Cross multiply
    7,130.24x = 10,694.48 × 2,199.84
  4. Step 4: Simplify right side
    7,130.24x = 23,526,144.88
  5. Step 5: Solve for x
    x = 23,526,144.88/7,130.24
  6. Step 6: Final answer
    x = 3,299.49

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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.