Home / 10,867.85-14,997.62-5,899.85

Finding the Fourth Proportional to 10,867.85, 14,997.62 and 5,899.85

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Solution

The fourth proportional to 10,867.85, 14,997.62 and 5,899.85 is: 8,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.85 : 14,997.62 = 5,899.85 : x
  2. Step 2: Convert to fraction form
    10,867.85/14,997.62 = 5,899.85/x
  3. Step 3: Cross multiply
    10,867.85x = 14,997.62 × 5,899.85
  4. Step 4: Simplify right side
    10,867.85x = 88,483,708.36
  5. Step 5: Solve for x
    x = 88,483,708.36/10,867.85
  6. Step 6: Final answer
    x = 8,141.79

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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.