Home / 11,029.83-15,220.83-6,313.80

Finding the Fourth Proportional to 11,029.83, 15,220.83 and 6,313.80

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Solution

The fourth proportional to 11,029.83, 15,220.83 and 6,313.80 is: 8,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.83 : 15,220.83 = 6,313.80 : x
  2. Step 2: Convert to fraction form
    11,029.83/15,220.83 = 6,313.80/x
  3. Step 3: Cross multiply
    11,029.83x = 15,220.83 × 6,313.80
  4. Step 4: Simplify right side
    11,029.83x = 96,101,276.45
  5. Step 5: Solve for x
    x = 96,101,276.45/11,029.83
  6. Step 6: Final answer
    x = 8,712.85

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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.