Home / 7,651.92-11,468.16-4,191.60

Finding the Fourth Proportional to 7,651.92, 11,468.16 and 4,191.60

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Solution

The fourth proportional to 7,651.92, 11,468.16 and 4,191.60 is: 6,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.92 : 11,468.16 = 4,191.60 : x
  2. Step 2: Convert to fraction form
    7,651.92/11,468.16 = 4,191.60/x
  3. Step 3: Cross multiply
    7,651.92x = 11,468.16 × 4,191.60
  4. Step 4: Simplify right side
    7,651.92x = 48,069,939.46
  5. Step 5: Solve for x
    x = 48,069,939.46/7,651.92
  6. Step 6: Final answer
    x = 6,282.08

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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.