Home / 10,326.73-15,481.38-4,478.93

Finding the Fourth Proportional to 10,326.73, 15,481.38 and 4,478.93

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Solution

The fourth proportional to 10,326.73, 15,481.38 and 4,478.93 is: 6,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.73 : 15,481.38 = 4,478.93 : x
  2. Step 2: Convert to fraction form
    10,326.73/15,481.38 = 4,478.93/x
  3. Step 3: Cross multiply
    10,326.73x = 15,481.38 × 4,478.93
  4. Step 4: Simplify right side
    10,326.73x = 69,340,017.32
  5. Step 5: Solve for x
    x = 69,340,017.32/10,326.73
  6. Step 6: Final answer
    x = 6,714.62

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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.