Home / 10,321.83-15,481.26-2,926.94

Finding the Fourth Proportional to 10,321.83, 15,481.26 and 2,926.94

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Solution

The fourth proportional to 10,321.83, 15,481.26 and 2,926.94 is: 4,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.83 : 15,481.26 = 2,926.94 : x
  2. Step 2: Convert to fraction form
    10,321.83/15,481.26 = 2,926.94/x
  3. Step 3: Cross multiply
    10,321.83x = 15,481.26 × 2,926.94
  4. Step 4: Simplify right side
    10,321.83x = 45,312,641.74
  5. Step 5: Solve for x
    x = 45,312,641.74/10,321.83
  6. Step 6: Final answer
    x = 4,389.98

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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.