Home / 11,558.15-17,340.69-4,891.22

Finding the Fourth Proportional to 11,558.15, 17,340.69 and 4,891.22

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Solution

The fourth proportional to 11,558.15, 17,340.69 and 4,891.22 is: 7,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.15 : 17,340.69 = 4,891.22 : x
  2. Step 2: Convert to fraction form
    11,558.15/17,340.69 = 4,891.22/x
  3. Step 3: Cross multiply
    11,558.15x = 17,340.69 × 4,891.22
  4. Step 4: Simplify right side
    11,558.15x = 84,817,043.04
  5. Step 5: Solve for x
    x = 84,817,043.04/11,558.15
  6. Step 6: Final answer
    x = 7,338.29

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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.