Home / 10,811.25-14,919.54-5,843.25

Finding the Fourth Proportional to 10,811.25, 14,919.54 and 5,843.25

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Solution

The fourth proportional to 10,811.25, 14,919.54 and 5,843.25 is: 8,063.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.25 : 14,919.54 = 5,843.25 : x
  2. Step 2: Convert to fraction form
    10,811.25/14,919.54 = 5,843.25/x
  3. Step 3: Cross multiply
    10,811.25x = 14,919.54 × 5,843.25
  4. Step 4: Simplify right side
    10,811.25x = 87,178,602.11
  5. Step 5: Solve for x
    x = 87,178,602.11/10,811.25
  6. Step 6: Final answer
    x = 8,063.69

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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.