Home / 7,473.68-10,313.27-4,115.85

Finding the Fourth Proportional to 7,473.68, 10,313.27 and 4,115.85

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Solution

The fourth proportional to 7,473.68, 10,313.27 and 4,115.85 is: 5,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.68 : 10,313.27 = 4,115.85 : x
  2. Step 2: Convert to fraction form
    7,473.68/10,313.27 = 4,115.85/x
  3. Step 3: Cross multiply
    7,473.68x = 10,313.27 × 4,115.85
  4. Step 4: Simplify right side
    7,473.68x = 42,447,851.75
  5. Step 5: Solve for x
    x = 42,447,851.75/7,473.68
  6. Step 6: Final answer
    x = 5,679.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.