Home / 10,983.09-15,156.60-5,947.26

Finding the Fourth Proportional to 10,983.09, 15,156.60 and 5,947.26

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Solution

The fourth proportional to 10,983.09, 15,156.60 and 5,947.26 is: 8,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.09 : 15,156.60 = 5,947.26 : x
  2. Step 2: Convert to fraction form
    10,983.09/15,156.60 = 5,947.26/x
  3. Step 3: Cross multiply
    10,983.09x = 15,156.60 × 5,947.26
  4. Step 4: Simplify right side
    10,983.09x = 90,140,240.92
  5. Step 5: Solve for x
    x = 90,140,240.92/10,983.09
  6. Step 6: Final answer
    x = 8,207.18

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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.