Home / 12,056.91-16,638.78-6,751.74

Finding the Fourth Proportional to 12,056.91, 16,638.78 and 6,751.74

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Solution

The fourth proportional to 12,056.91, 16,638.78 and 6,751.74 is: 9,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.91 : 16,638.78 = 6,751.74 : x
  2. Step 2: Convert to fraction form
    12,056.91/16,638.78 = 6,751.74/x
  3. Step 3: Cross multiply
    12,056.91x = 16,638.78 × 6,751.74
  4. Step 4: Simplify right side
    12,056.91x = 112,340,716.48
  5. Step 5: Solve for x
    x = 112,340,716.48/12,056.91
  6. Step 6: Final answer
    x = 9,317.54

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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.