Home / 10,932.36-15,086.67-6,216.96

Finding the Fourth Proportional to 10,932.36, 15,086.67 and 6,216.96

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Solution

The fourth proportional to 10,932.36, 15,086.67 and 6,216.96 is: 8,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.36 : 15,086.67 = 6,216.96 : x
  2. Step 2: Convert to fraction form
    10,932.36/15,086.67 = 6,216.96/x
  3. Step 3: Cross multiply
    10,932.36x = 15,086.67 × 6,216.96
  4. Step 4: Simplify right side
    10,932.36x = 93,793,223.92
  5. Step 5: Solve for x
    x = 93,793,223.92/10,932.36
  6. Step 6: Final answer
    x = 8,579.41

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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.