Home / 8,388.35-12,582.56-2,545.01

Finding the Fourth Proportional to 8,388.35, 12,582.56 and 2,545.01

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Solution

The fourth proportional to 8,388.35, 12,582.56 and 2,545.01 is: 3,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.35 : 12,582.56 = 2,545.01 : x
  2. Step 2: Convert to fraction form
    8,388.35/12,582.56 = 2,545.01/x
  3. Step 3: Cross multiply
    8,388.35x = 12,582.56 × 2,545.01
  4. Step 4: Simplify right side
    8,388.35x = 32,022,728.30
  5. Step 5: Solve for x
    x = 32,022,728.30/8,388.35
  6. Step 6: Final answer
    x = 3,817.52

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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.