Home / 7,115.10-10,673.73-3,416.64

Finding the Fourth Proportional to 7,115.10, 10,673.73 and 3,416.64

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Solution

The fourth proportional to 7,115.10, 10,673.73 and 3,416.64 is: 5,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.10 : 10,673.73 = 3,416.64 : x
  2. Step 2: Convert to fraction form
    7,115.10/10,673.73 = 3,416.64/x
  3. Step 3: Cross multiply
    7,115.10x = 10,673.73 × 3,416.64
  4. Step 4: Simplify right side
    7,115.10x = 36,468,292.87
  5. Step 5: Solve for x
    x = 36,468,292.87/7,115.10
  6. Step 6: Final answer
    x = 5,125.48

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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.