Home / 6,531.28-9,012.87-3,698.59

Finding the Fourth Proportional to 6,531.28, 9,012.87 and 3,698.59

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Solution

The fourth proportional to 6,531.28, 9,012.87 and 3,698.59 is: 5,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.28 : 9,012.87 = 3,698.59 : x
  2. Step 2: Convert to fraction form
    6,531.28/9,012.87 = 3,698.59/x
  3. Step 3: Cross multiply
    6,531.28x = 9,012.87 × 3,698.59
  4. Step 4: Simplify right side
    6,531.28x = 33,334,942.49
  5. Step 5: Solve for x
    x = 33,334,942.49/6,531.28
  6. Step 6: Final answer
    x = 5,103.89

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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.