Home / 7,028.04-10,536.48-3,909.12

Finding the Fourth Proportional to 7,028.04, 10,536.48 and 3,909.12

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Solution

The fourth proportional to 7,028.04, 10,536.48 and 3,909.12 is: 5,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.04 : 10,536.48 = 3,909.12 : x
  2. Step 2: Convert to fraction form
    7,028.04/10,536.48 = 3,909.12/x
  3. Step 3: Cross multiply
    7,028.04x = 10,536.48 × 3,909.12
  4. Step 4: Simplify right side
    7,028.04x = 41,188,364.70
  5. Step 5: Solve for x
    x = 41,188,364.70/7,028.04
  6. Step 6: Final answer
    x = 5,860.58

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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.