Home / 10,983.09-15,156.66-5,947.35

Finding the Fourth Proportional to 10,983.09, 15,156.66 and 5,947.35

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Solution

The fourth proportional to 10,983.09, 15,156.66 and 5,947.35 is: 8,207.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.09 : 15,156.66 = 5,947.35 : x
  2. Step 2: Convert to fraction form
    10,983.09/15,156.66 = 5,947.35/x
  3. Step 3: Cross multiply
    10,983.09x = 15,156.66 × 5,947.35
  4. Step 4: Simplify right side
    10,983.09x = 90,141,961.85
  5. Step 5: Solve for x
    x = 90,141,961.85/10,983.09
  6. Step 6: Final answer
    x = 8,207.34

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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.