Home / 6,772.24-9,347.43-4,121.52

Finding the Fourth Proportional to 6,772.24, 9,347.43 and 4,121.52

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Solution

The fourth proportional to 6,772.24, 9,347.43 and 4,121.52 is: 5,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.24 : 9,347.43 = 4,121.52 : x
  2. Step 2: Convert to fraction form
    6,772.24/9,347.43 = 4,121.52/x
  3. Step 3: Cross multiply
    6,772.24x = 9,347.43 × 4,121.52
  4. Step 4: Simplify right side
    6,772.24x = 38,525,619.69
  5. Step 5: Solve for x
    x = 38,525,619.69/6,772.24
  6. Step 6: Final answer
    x = 5,688.76

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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.