Home / 8,298.55-11,451.86-4,521.75

Finding the Fourth Proportional to 8,298.55, 11,451.86 and 4,521.75

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Solution

The fourth proportional to 8,298.55, 11,451.86 and 4,521.75 is: 6,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.55 : 11,451.86 = 4,521.75 : x
  2. Step 2: Convert to fraction form
    8,298.55/11,451.86 = 4,521.75/x
  3. Step 3: Cross multiply
    8,298.55x = 11,451.86 × 4,521.75
  4. Step 4: Simplify right side
    8,298.55x = 51,782,396.92
  5. Step 5: Solve for x
    x = 51,782,396.92/8,298.55
  6. Step 6: Final answer
    x = 6,239.93

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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.