Home / 11,756.19-16,220.22-6,718.59

Finding the Fourth Proportional to 11,756.19, 16,220.22 and 6,718.59

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Solution

The fourth proportional to 11,756.19, 16,220.22 and 6,718.59 is: 9,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.19 : 16,220.22 = 6,718.59 : x
  2. Step 2: Convert to fraction form
    11,756.19/16,220.22 = 6,718.59/x
  3. Step 3: Cross multiply
    11,756.19x = 16,220.22 × 6,718.59
  4. Step 4: Simplify right side
    11,756.19x = 108,977,007.89
  5. Step 5: Solve for x
    x = 108,977,007.89/11,756.19
  6. Step 6: Final answer
    x = 9,269.76

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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.