Home / 11,751.94-16,182.21-10,155.65

Finding the Fourth Proportional to 11,751.94, 16,182.21 and 10,155.65

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Solution

The fourth proportional to 11,751.94, 16,182.21 and 10,155.65 is: 13,984.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.94 : 16,182.21 = 10,155.65 : x
  2. Step 2: Convert to fraction form
    11,751.94/16,182.21 = 10,155.65/x
  3. Step 3: Cross multiply
    11,751.94x = 16,182.21 × 10,155.65
  4. Step 4: Simplify right side
    11,751.94x = 164,340,869.01
  5. Step 5: Solve for x
    x = 164,340,869.01/11,751.94
  6. Step 6: Final answer
    x = 13,984.15

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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.