Home / 9,321.83-13,959.37-5,571.30

Finding the Fourth Proportional to 9,321.83, 13,959.37 and 5,571.30

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Solution

The fourth proportional to 9,321.83, 13,959.37 and 5,571.30 is: 8,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.83 : 13,959.37 = 5,571.30 : x
  2. Step 2: Convert to fraction form
    9,321.83/13,959.37 = 5,571.30/x
  3. Step 3: Cross multiply
    9,321.83x = 13,959.37 × 5,571.30
  4. Step 4: Simplify right side
    9,321.83x = 77,771,838.08
  5. Step 5: Solve for x
    x = 77,771,838.08/9,321.83
  6. Step 6: Final answer
    x = 8,342.98

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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.