Home / 6,635.42-9,153.07-4,147.10

Finding the Fourth Proportional to 6,635.42, 9,153.07 and 4,147.10

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Solution

The fourth proportional to 6,635.42, 9,153.07 and 4,147.10 is: 5,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.42 : 9,153.07 = 4,147.10 : x
  2. Step 2: Convert to fraction form
    6,635.42/9,153.07 = 4,147.10/x
  3. Step 3: Cross multiply
    6,635.42x = 9,153.07 × 4,147.10
  4. Step 4: Simplify right side
    6,635.42x = 37,958,696.60
  5. Step 5: Solve for x
    x = 37,958,696.60/6,635.42
  6. Step 6: Final answer
    x = 5,720.62

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Half scale
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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.