Home / 7,651.02-11,479.82-4,143.53

Finding the Fourth Proportional to 7,651.02, 11,479.82 and 4,143.53

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Solution

The fourth proportional to 7,651.02, 11,479.82 and 4,143.53 is: 6,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.02 : 11,479.82 = 4,143.53 : x
  2. Step 2: Convert to fraction form
    7,651.02/11,479.82 = 4,143.53/x
  3. Step 3: Cross multiply
    7,651.02x = 11,479.82 × 4,143.53
  4. Step 4: Simplify right side
    7,651.02x = 47,566,978.56
  5. Step 5: Solve for x
    x = 47,566,978.56/7,651.02
  6. Step 6: Final answer
    x = 6,217.08

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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.