Home / 11,029.18-15,220.94-6,313.36

Finding the Fourth Proportional to 11,029.18, 15,220.94 and 6,313.36

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Solution

The fourth proportional to 11,029.18, 15,220.94 and 6,313.36 is: 8,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.18 : 15,220.94 = 6,313.36 : x
  2. Step 2: Convert to fraction form
    11,029.18/15,220.94 = 6,313.36/x
  3. Step 3: Cross multiply
    11,029.18x = 15,220.94 × 6,313.36
  4. Step 4: Simplify right side
    11,029.18x = 96,095,273.76
  5. Step 5: Solve for x
    x = 96,095,273.76/11,029.18
  6. Step 6: Final answer
    x = 8,712.82

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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.