Home / 10,170.72-14,033.76-5,694.60

Finding the Fourth Proportional to 10,170.72, 14,033.76 and 5,694.60

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Solution

The fourth proportional to 10,170.72, 14,033.76 and 5,694.60 is: 7,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.72 : 14,033.76 = 5,694.60 : x
  2. Step 2: Convert to fraction form
    10,170.72/14,033.76 = 5,694.60/x
  3. Step 3: Cross multiply
    10,170.72x = 14,033.76 × 5,694.60
  4. Step 4: Simplify right side
    10,170.72x = 79,916,649.70
  5. Step 5: Solve for x
    x = 79,916,649.70/10,170.72
  6. Step 6: Final answer
    x = 7,857.52

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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.