Home / 7,408.59-11,118.35-3,513.03

Finding the Fourth Proportional to 7,408.59, 11,118.35 and 3,513.03

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Solution

The fourth proportional to 7,408.59, 11,118.35 and 3,513.03 is: 5,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.59 : 11,118.35 = 3,513.03 : x
  2. Step 2: Convert to fraction form
    7,408.59/11,118.35 = 3,513.03/x
  3. Step 3: Cross multiply
    7,408.59x = 11,118.35 × 3,513.03
  4. Step 4: Simplify right side
    7,408.59x = 39,059,097.10
  5. Step 5: Solve for x
    x = 39,059,097.10/7,408.59
  6. Step 6: Final answer
    x = 5,272.14

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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.