Home / 11,201.70-15,457.44-6,486.28

Finding the Fourth Proportional to 11,201.70, 15,457.44 and 6,486.28

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Solution

The fourth proportional to 11,201.70, 15,457.44 and 6,486.28 is: 8,950.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.70 : 15,457.44 = 6,486.28 : x
  2. Step 2: Convert to fraction form
    11,201.70/15,457.44 = 6,486.28/x
  3. Step 3: Cross multiply
    11,201.70x = 15,457.44 × 6,486.28
  4. Step 4: Simplify right side
    11,201.70x = 100,261,283.92
  5. Step 5: Solve for x
    x = 100,261,283.92/11,201.70
  6. Step 6: Final answer
    x = 8,950.54

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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.