Home / 7,217.24-9,959.99-4,073.63

Finding the Fourth Proportional to 7,217.24, 9,959.99 and 4,073.63

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Solution

The fourth proportional to 7,217.24, 9,959.99 and 4,073.63 is: 5,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.24 : 9,959.99 = 4,073.63 : x
  2. Step 2: Convert to fraction form
    7,217.24/9,959.99 = 4,073.63/x
  3. Step 3: Cross multiply
    7,217.24x = 9,959.99 × 4,073.63
  4. Step 4: Simplify right side
    7,217.24x = 40,573,243.90
  5. Step 5: Solve for x
    x = 40,573,243.90/7,217.24
  6. Step 6: Final answer
    x = 5,621.72

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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.