Home / 9,010.71-13,519.19-7,983.52

Finding the Fourth Proportional to 9,010.71, 13,519.19 and 7,983.52

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Solution

The fourth proportional to 9,010.71, 13,519.19 and 7,983.52 is: 11,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.71 : 13,519.19 = 7,983.52 : x
  2. Step 2: Convert to fraction form
    9,010.71/13,519.19 = 7,983.52/x
  3. Step 3: Cross multiply
    9,010.71x = 13,519.19 × 7,983.52
  4. Step 4: Simplify right side
    9,010.71x = 107,930,709.91
  5. Step 5: Solve for x
    x = 107,930,709.91/9,010.71
  6. Step 6: Final answer
    x = 11,978.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.