Home / 6,108.50-8,422.35-5,162.63

Finding the Fourth Proportional to 6,108.50, 8,422.35 and 5,162.63

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Solution

The fourth proportional to 6,108.50, 8,422.35 and 5,162.63 is: 7,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.50 : 8,422.35 = 5,162.63 : x
  2. Step 2: Convert to fraction form
    6,108.50/8,422.35 = 5,162.63/x
  3. Step 3: Cross multiply
    6,108.50x = 8,422.35 × 5,162.63
  4. Step 4: Simplify right side
    6,108.50x = 43,481,415.31
  5. Step 5: Solve for x
    x = 43,481,415.31/6,108.50
  6. Step 6: Final answer
    x = 7,118.18

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Half scale
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Double scale
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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.