Home / 7,504.25-10,356.02-4,147.21

Finding the Fourth Proportional to 7,504.25, 10,356.02 and 4,147.21

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Solution

The fourth proportional to 7,504.25, 10,356.02 and 4,147.21 is: 5,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504.25 : 10,356.02 = 4,147.21 : x
  2. Step 2: Convert to fraction form
    7,504.25/10,356.02 = 4,147.21/x
  3. Step 3: Cross multiply
    7,504.25x = 10,356.02 × 4,147.21
  4. Step 4: Simplify right side
    7,504.25x = 42,948,517.19
  5. Step 5: Solve for x
    x = 42,948,517.19/7,504.25
  6. Step 6: Final answer
    x = 5,723.23

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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.