Home / 8,113.82-11,197.59-4,575.74

Finding the Fourth Proportional to 8,113.82, 11,197.59 and 4,575.74

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Solution

The fourth proportional to 8,113.82, 11,197.59 and 4,575.74 is: 6,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.82 : 11,197.59 = 4,575.74 : x
  2. Step 2: Convert to fraction form
    8,113.82/11,197.59 = 4,575.74/x
  3. Step 3: Cross multiply
    8,113.82x = 11,197.59 × 4,575.74
  4. Step 4: Simplify right side
    8,113.82x = 51,237,260.47
  5. Step 5: Solve for x
    x = 51,237,260.47/8,113.82
  6. Step 6: Final answer
    x = 6,314.81

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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.