Home / 7,651.61-11,475.52-2,104.68

Finding the Fourth Proportional to 7,651.61, 11,475.52 and 2,104.68

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Solution

The fourth proportional to 7,651.61, 11,475.52 and 2,104.68 is: 3,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.61 : 11,475.52 = 2,104.68 : x
  2. Step 2: Convert to fraction form
    7,651.61/11,475.52 = 2,104.68/x
  3. Step 3: Cross multiply
    7,651.61x = 11,475.52 × 2,104.68
  4. Step 4: Simplify right side
    7,651.61x = 24,152,286.91
  5. Step 5: Solve for x
    x = 24,152,286.91/7,651.61
  6. Step 6: Final answer
    x = 3,156.50

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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.