Home / 7,117.12-10,676.64-2,499.04

Finding the Fourth Proportional to 7,117.12, 10,676.64 and 2,499.04

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Solution

The fourth proportional to 7,117.12, 10,676.64 and 2,499.04 is: 3,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.12 : 10,676.64 = 2,499.04 : x
  2. Step 2: Convert to fraction form
    7,117.12/10,676.64 = 2,499.04/x
  3. Step 3: Cross multiply
    7,117.12x = 10,676.64 × 2,499.04
  4. Step 4: Simplify right side
    7,117.12x = 26,681,350.43
  5. Step 5: Solve for x
    x = 26,681,350.43/7,117.12
  6. Step 6: Final answer
    x = 3,748.90

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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.