Home / 11,790.68-16,272.18-6,756.50

Finding the Fourth Proportional to 11,790.68, 16,272.18 and 6,756.50

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Solution

The fourth proportional to 11,790.68, 16,272.18 and 6,756.50 is: 9,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.68 : 16,272.18 = 6,756.50 : x
  2. Step 2: Convert to fraction form
    11,790.68/16,272.18 = 6,756.50/x
  3. Step 3: Cross multiply
    11,790.68x = 16,272.18 × 6,756.50
  4. Step 4: Simplify right side
    11,790.68x = 109,942,984.17
  5. Step 5: Solve for x
    x = 109,942,984.17/11,790.68
  6. Step 6: Final answer
    x = 9,324.57

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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.