Home / 10,715.11-14,786.36-5,934.74

Finding the Fourth Proportional to 10,715.11, 14,786.36 and 5,934.74

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Solution

The fourth proportional to 10,715.11, 14,786.36 and 5,934.74 is: 8,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.11 : 14,786.36 = 5,934.74 : x
  2. Step 2: Convert to fraction form
    10,715.11/14,786.36 = 5,934.74/x
  3. Step 3: Cross multiply
    10,715.11x = 14,786.36 × 5,934.74
  4. Step 4: Simplify right side
    10,715.11x = 87,753,120.80
  5. Step 5: Solve for x
    x = 87,753,120.80/10,715.11
  6. Step 6: Final answer
    x = 8,189.66

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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.