Home / 7,432.25-11,145.79-2,165.84

Finding the Fourth Proportional to 7,432.25, 11,145.79 and 2,165.84

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Solution

The fourth proportional to 7,432.25, 11,145.79 and 2,165.84 is: 3,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.25 : 11,145.79 = 2,165.84 : x
  2. Step 2: Convert to fraction form
    7,432.25/11,145.79 = 2,165.84/x
  3. Step 3: Cross multiply
    7,432.25x = 11,145.79 × 2,165.84
  4. Step 4: Simplify right side
    7,432.25x = 24,139,997.81
  5. Step 5: Solve for x
    x = 24,139,997.81/7,432.25
  6. Step 6: Final answer
    x = 3,248.01

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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.