Home / 6,975.60-9,634.84-5,215.02

Finding the Fourth Proportional to 6,975.60, 9,634.84 and 5,215.02

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Solution

The fourth proportional to 6,975.60, 9,634.84 and 5,215.02 is: 7,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.60 : 9,634.84 = 5,215.02 : x
  2. Step 2: Convert to fraction form
    6,975.60/9,634.84 = 5,215.02/x
  3. Step 3: Cross multiply
    6,975.60x = 9,634.84 × 5,215.02
  4. Step 4: Simplify right side
    6,975.60x = 50,245,883.30
  5. Step 5: Solve for x
    x = 50,245,883.30/6,975.60
  6. Step 6: Final answer
    x = 7,203.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.