Home / 12,850.48-17,733.30-7,814.83

Finding the Fourth Proportional to 12,850.48, 17,733.30 and 7,814.83

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Solution

The fourth proportional to 12,850.48, 17,733.30 and 7,814.83 is: 10,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.48 : 17,733.30 = 7,814.83 : x
  2. Step 2: Convert to fraction form
    12,850.48/17,733.30 = 7,814.83/x
  3. Step 3: Cross multiply
    12,850.48x = 17,733.30 × 7,814.83
  4. Step 4: Simplify right side
    12,850.48x = 138,582,724.84
  5. Step 5: Solve for x
    x = 138,582,724.84/12,850.48
  6. Step 6: Final answer
    x = 10,784.25

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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.