Home / 11,759.76-16,228.08-6,454.56

Finding the Fourth Proportional to 11,759.76, 16,228.08 and 6,454.56

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Solution

The fourth proportional to 11,759.76, 16,228.08 and 6,454.56 is: 8,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.76 : 16,228.08 = 6,454.56 : x
  2. Step 2: Convert to fraction form
    11,759.76/16,228.08 = 6,454.56/x
  3. Step 3: Cross multiply
    11,759.76x = 16,228.08 × 6,454.56
  4. Step 4: Simplify right side
    11,759.76x = 104,745,116.04
  5. Step 5: Solve for x
    x = 104,745,116.04/11,759.76
  6. Step 6: Final answer
    x = 8,907.08

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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.