Home / 7,399.35-10,208.73-5,275.23

Finding the Fourth Proportional to 7,399.35, 10,208.73 and 5,275.23

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Solution

The fourth proportional to 7,399.35, 10,208.73 and 5,275.23 is: 7,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.35 : 10,208.73 = 5,275.23 : x
  2. Step 2: Convert to fraction form
    7,399.35/10,208.73 = 5,275.23/x
  3. Step 3: Cross multiply
    7,399.35x = 10,208.73 × 5,275.23
  4. Step 4: Simplify right side
    7,399.35x = 53,853,380.26
  5. Step 5: Solve for x
    x = 53,853,380.26/7,399.35
  6. Step 6: Final answer
    x = 7,278.12

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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.