Home / 7,074.69-10,613.84-3,325.74

Finding the Fourth Proportional to 7,074.69, 10,613.84 and 3,325.74

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Solution

The fourth proportional to 7,074.69, 10,613.84 and 3,325.74 is: 4,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.69 : 10,613.84 = 3,325.74 : x
  2. Step 2: Convert to fraction form
    7,074.69/10,613.84 = 3,325.74/x
  3. Step 3: Cross multiply
    7,074.69x = 10,613.84 × 3,325.74
  4. Step 4: Simplify right side
    7,074.69x = 35,298,872.24
  5. Step 5: Solve for x
    x = 35,298,872.24/7,074.69
  6. Step 6: Final answer
    x = 4,989.46

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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.