Home / 11,826.75-16,320.56-6,521.56

Finding the Fourth Proportional to 11,826.75, 16,320.56 and 6,521.56

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Solution

The fourth proportional to 11,826.75, 16,320.56 and 6,521.56 is: 8,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.75 : 16,320.56 = 6,521.56 : x
  2. Step 2: Convert to fraction form
    11,826.75/16,320.56 = 6,521.56/x
  3. Step 3: Cross multiply
    11,826.75x = 16,320.56 × 6,521.56
  4. Step 4: Simplify right side
    11,826.75x = 106,435,535.75
  5. Step 5: Solve for x
    x = 106,435,535.75/11,826.75
  6. Step 6: Final answer
    x = 8,999.56

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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.