Home / 8,131.84-11,221.60-4,595.52

Finding the Fourth Proportional to 8,131.84, 11,221.60 and 4,595.52

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Solution

The fourth proportional to 8,131.84, 11,221.60 and 4,595.52 is: 6,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.84 : 11,221.60 = 4,595.52 : x
  2. Step 2: Convert to fraction form
    8,131.84/11,221.60 = 4,595.52/x
  3. Step 3: Cross multiply
    8,131.84x = 11,221.60 × 4,595.52
  4. Step 4: Simplify right side
    8,131.84x = 51,569,087.23
  5. Step 5: Solve for x
    x = 51,569,087.23/8,131.84
  6. Step 6: Final answer
    x = 6,341.63

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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.