Home / 10,715.16-14,786.10-5,998.80

Finding the Fourth Proportional to 10,715.16, 14,786.10 and 5,998.80

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Solution

The fourth proportional to 10,715.16, 14,786.10 and 5,998.80 is: 8,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.16 : 14,786.10 = 5,998.80 : x
  2. Step 2: Convert to fraction form
    10,715.16/14,786.10 = 5,998.80/x
  3. Step 3: Cross multiply
    10,715.16x = 14,786.10 × 5,998.80
  4. Step 4: Simplify right side
    10,715.16x = 88,698,856.68
  5. Step 5: Solve for x
    x = 88,698,856.68/10,715.16
  6. Step 6: Final answer
    x = 8,277.88

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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.