Home / 11,826.54-16,320.67-6,521.33

Finding the Fourth Proportional to 11,826.54, 16,320.67 and 6,521.33

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Solution

The fourth proportional to 11,826.54, 16,320.67 and 6,521.33 is: 8,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.54 : 16,320.67 = 6,521.33 : x
  2. Step 2: Convert to fraction form
    11,826.54/16,320.67 = 6,521.33/x
  3. Step 3: Cross multiply
    11,826.54x = 16,320.67 × 6,521.33
  4. Step 4: Simplify right side
    11,826.54x = 106,432,499.39
  5. Step 5: Solve for x
    x = 106,432,499.39/11,826.54
  6. Step 6: Final answer
    x = 8,999.46

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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.