Home / 10,857.75-14,983.70-5,889.75

Finding the Fourth Proportional to 10,857.75, 14,983.70 and 5,889.75

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Solution

The fourth proportional to 10,857.75, 14,983.70 and 5,889.75 is: 8,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.75 : 14,983.70 = 5,889.75 : x
  2. Step 2: Convert to fraction form
    10,857.75/14,983.70 = 5,889.75/x
  3. Step 3: Cross multiply
    10,857.75x = 14,983.70 × 5,889.75
  4. Step 4: Simplify right side
    10,857.75x = 88,250,217.63
  5. Step 5: Solve for x
    x = 88,250,217.63/10,857.75
  6. Step 6: Final answer
    x = 8,127.86

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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.