Home / 11,595.36-15,979.50-11,382.09

Finding the Fourth Proportional to 11,595.36, 15,979.50 and 11,382.09

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Solution

The fourth proportional to 11,595.36, 15,979.50 and 11,382.09 is: 15,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.36 : 15,979.50 = 11,382.09 : x
  2. Step 2: Convert to fraction form
    11,595.36/15,979.50 = 11,382.09/x
  3. Step 3: Cross multiply
    11,595.36x = 15,979.50 × 11,382.09
  4. Step 4: Simplify right side
    11,595.36x = 181,880,107.16
  5. Step 5: Solve for x
    x = 181,880,107.16/11,595.36
  6. Step 6: Final answer
    x = 15,685.59

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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.