Home / 10,919.22-16,377.23-5,371.08

Finding the Fourth Proportional to 10,919.22, 16,377.23 and 5,371.08

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Solution

The fourth proportional to 10,919.22, 16,377.23 and 5,371.08 is: 8,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.22 : 16,377.23 = 5,371.08 : x
  2. Step 2: Convert to fraction form
    10,919.22/16,377.23 = 5,371.08/x
  3. Step 3: Cross multiply
    10,919.22x = 16,377.23 × 5,371.08
  4. Step 4: Simplify right side
    10,919.22x = 87,963,412.51
  5. Step 5: Solve for x
    x = 87,963,412.51/10,919.22
  6. Step 6: Final answer
    x = 8,055.83

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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.