Home / 11,050.40-16,581.66-5,206.86

Finding the Fourth Proportional to 11,050.40, 16,581.66 and 5,206.86

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Solution

The fourth proportional to 11,050.40, 16,581.66 and 5,206.86 is: 7,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.40 : 16,581.66 = 5,206.86 : x
  2. Step 2: Convert to fraction form
    11,050.40/16,581.66 = 5,206.86/x
  3. Step 3: Cross multiply
    11,050.40x = 16,581.66 × 5,206.86
  4. Step 4: Simplify right side
    11,050.40x = 86,338,382.19
  5. Step 5: Solve for x
    x = 86,338,382.19/11,050.40
  6. Step 6: Final answer
    x = 7,813.15

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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.