Home / 11,645.82-16,090.02-8,124.75

Finding the Fourth Proportional to 11,645.82, 16,090.02 and 8,124.75

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Solution

The fourth proportional to 11,645.82, 16,090.02 and 8,124.75 is: 11,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.82 : 16,090.02 = 8,124.75 : x
  2. Step 2: Convert to fraction form
    11,645.82/16,090.02 = 8,124.75/x
  3. Step 3: Cross multiply
    11,645.82x = 16,090.02 × 8,124.75
  4. Step 4: Simplify right side
    11,645.82x = 130,727,390.00
  5. Step 5: Solve for x
    x = 130,727,390.00/11,645.82
  6. Step 6: Final answer
    x = 11,225.26

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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.