Home / 7,412.10-11,118.39-3,250.02

Finding the Fourth Proportional to 7,412.10, 11,118.39 and 3,250.02

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Solution

The fourth proportional to 7,412.10, 11,118.39 and 3,250.02 is: 4,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.10 : 11,118.39 = 3,250.02 : x
  2. Step 2: Convert to fraction form
    7,412.10/11,118.39 = 3,250.02/x
  3. Step 3: Cross multiply
    7,412.10x = 11,118.39 × 3,250.02
  4. Step 4: Simplify right side
    7,412.10x = 36,134,989.87
  5. Step 5: Solve for x
    x = 36,134,989.87/7,412.10
  6. Step 6: Final answer
    x = 4,875.14

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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.