Home / 7,207.20-10,816.07-4,747.23

Finding the Fourth Proportional to 7,207.20, 10,816.07 and 4,747.23

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Solution

The fourth proportional to 7,207.20, 10,816.07 and 4,747.23 is: 7,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.20 : 10,816.07 = 4,747.23 : x
  2. Step 2: Convert to fraction form
    7,207.20/10,816.07 = 4,747.23/x
  3. Step 3: Cross multiply
    7,207.20x = 10,816.07 × 4,747.23
  4. Step 4: Simplify right side
    7,207.20x = 51,346,348.25
  5. Step 5: Solve for x
    x = 51,346,348.25/7,207.20
  6. Step 6: Final answer
    x = 7,124.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.