Home / 8,396.70-11,587.49-4,620.10

Finding the Fourth Proportional to 8,396.70, 11,587.49 and 4,620.10

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Solution

The fourth proportional to 8,396.70, 11,587.49 and 4,620.10 is: 6,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.70 : 11,587.49 = 4,620.10 : x
  2. Step 2: Convert to fraction form
    8,396.70/11,587.49 = 4,620.10/x
  3. Step 3: Cross multiply
    8,396.70x = 11,587.49 × 4,620.10
  4. Step 4: Simplify right side
    8,396.70x = 53,535,362.55
  5. Step 5: Solve for x
    x = 53,535,362.55/8,396.70
  6. Step 6: Final answer
    x = 6,375.76

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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.