Home / 7,766.04-10,713.72-4,621.56

Finding the Fourth Proportional to 7,766.04, 10,713.72 and 4,621.56

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Solution

The fourth proportional to 7,766.04, 10,713.72 and 4,621.56 is: 6,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.04 : 10,713.72 = 4,621.56 : x
  2. Step 2: Convert to fraction form
    7,766.04/10,713.72 = 4,621.56/x
  3. Step 3: Cross multiply
    7,766.04x = 10,713.72 × 4,621.56
  4. Step 4: Simplify right side
    7,766.04x = 49,514,099.80
  5. Step 5: Solve for x
    x = 49,514,099.80/7,766.04
  6. Step 6: Final answer
    x = 6,375.72

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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.