Home / 11,357.54-15,673.58-6,321.82

Finding the Fourth Proportional to 11,357.54, 15,673.58 and 6,321.82

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Solution

The fourth proportional to 11,357.54, 15,673.58 and 6,321.82 is: 8,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.54 : 15,673.58 = 6,321.82 : x
  2. Step 2: Convert to fraction form
    11,357.54/15,673.58 = 6,321.82/x
  3. Step 3: Cross multiply
    11,357.54x = 15,673.58 × 6,321.82
  4. Step 4: Simplify right side
    11,357.54x = 99,085,488.95
  5. Step 5: Solve for x
    x = 99,085,488.95/11,357.54
  6. Step 6: Final answer
    x = 8,724.20

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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.