Home / 11,607.82-15,979.33-10,189.01

Finding the Fourth Proportional to 11,607.82, 15,979.33 and 10,189.01

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Solution

The fourth proportional to 11,607.82, 15,979.33 and 10,189.01 is: 14,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,607.82 : 15,979.33 = 10,189.01 : x
  2. Step 2: Convert to fraction form
    11,607.82/15,979.33 = 10,189.01/x
  3. Step 3: Cross multiply
    11,607.82x = 15,979.33 × 10,189.01
  4. Step 4: Simplify right side
    11,607.82x = 162,813,553.16
  5. Step 5: Solve for x
    x = 162,813,553.16/11,607.82
  6. Step 6: Final answer
    x = 14,026.20

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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.