Home / 8,693.21-11,995.02-5,108.75

Finding the Fourth Proportional to 8,693.21, 11,995.02 and 5,108.75

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Solution

The fourth proportional to 8,693.21, 11,995.02 and 5,108.75 is: 7,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.21 : 11,995.02 = 5,108.75 : x
  2. Step 2: Convert to fraction form
    8,693.21/11,995.02 = 5,108.75/x
  3. Step 3: Cross multiply
    8,693.21x = 11,995.02 × 5,108.75
  4. Step 4: Simplify right side
    8,693.21x = 61,279,558.43
  5. Step 5: Solve for x
    x = 61,279,558.43/8,693.21
  6. Step 6: Final answer
    x = 7,049.13

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Half scale
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Double scale
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Similar ratio
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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.