Home / 11,153.72-16,730.51-2,833.71

Finding the Fourth Proportional to 11,153.72, 16,730.51 and 2,833.71

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Solution

The fourth proportional to 11,153.72, 16,730.51 and 2,833.71 is: 4,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.72 : 16,730.51 = 2,833.71 : x
  2. Step 2: Convert to fraction form
    11,153.72/16,730.51 = 2,833.71/x
  3. Step 3: Cross multiply
    11,153.72x = 16,730.51 × 2,833.71
  4. Step 4: Simplify right side
    11,153.72x = 47,409,399.32
  5. Step 5: Solve for x
    x = 47,409,399.32/11,153.72
  6. Step 6: Final answer
    x = 4,250.55

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Double scale
Find fourth proportional to 11,154.72, 16,732 and 2,834.71
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.