Home / 10,582.56-15,873.80-2,685.15

Finding the Fourth Proportional to 10,582.56, 15,873.80 and 2,685.15

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Solution

The fourth proportional to 10,582.56, 15,873.80 and 2,685.15 is: 4,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,582.56 : 15,873.80 = 2,685.15 : x
  2. Step 2: Convert to fraction form
    10,582.56/15,873.80 = 2,685.15/x
  3. Step 3: Cross multiply
    10,582.56x = 15,873.80 × 2,685.15
  4. Step 4: Simplify right side
    10,582.56x = 42,623,520.64
  5. Step 5: Solve for x
    x = 42,623,520.64/10,582.56
  6. Step 6: Final answer
    x = 4,027.71

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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.