Home / 11,004.45-16,509.11-5,460.81

Finding the Fourth Proportional to 11,004.45, 16,509.11 and 5,460.81

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Solution

The fourth proportional to 11,004.45, 16,509.11 and 5,460.81 is: 8,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.45 : 16,509.11 = 5,460.81 : x
  2. Step 2: Convert to fraction form
    11,004.45/16,509.11 = 5,460.81/x
  3. Step 3: Cross multiply
    11,004.45x = 16,509.11 × 5,460.81
  4. Step 4: Simplify right side
    11,004.45x = 90,153,085.68
  5. Step 5: Solve for x
    x = 90,153,085.68/11,004.45
  6. Step 6: Final answer
    x = 8,192.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.