Home / 8,171.08-11,275.50-5,027.32

Finding the Fourth Proportional to 8,171.08, 11,275.50 and 5,027.32

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Solution

The fourth proportional to 8,171.08, 11,275.50 and 5,027.32 is: 6,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.08 : 11,275.50 = 5,027.32 : x
  2. Step 2: Convert to fraction form
    8,171.08/11,275.50 = 5,027.32/x
  3. Step 3: Cross multiply
    8,171.08x = 11,275.50 × 5,027.32
  4. Step 4: Simplify right side
    8,171.08x = 56,685,546.66
  5. Step 5: Solve for x
    x = 56,685,546.66/8,171.08
  6. Step 6: Final answer
    x = 6,937.34

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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.