Home / 7,199.39-10,778.21-4,417.67

Finding the Fourth Proportional to 7,199.39, 10,778.21 and 4,417.67

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Solution

The fourth proportional to 7,199.39, 10,778.21 and 4,417.67 is: 6,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.39 : 10,778.21 = 4,417.67 : x
  2. Step 2: Convert to fraction form
    7,199.39/10,778.21 = 4,417.67/x
  3. Step 3: Cross multiply
    7,199.39x = 10,778.21 × 4,417.67
  4. Step 4: Simplify right side
    7,199.39x = 47,614,552.88
  5. Step 5: Solve for x
    x = 47,614,552.88/7,199.39
  6. Step 6: Final answer
    x = 6,613.69

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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.