Home / 8,504.85-11,734.77-5,440.01

Finding the Fourth Proportional to 8,504.85, 11,734.77 and 5,440.01

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Solution

The fourth proportional to 8,504.85, 11,734.77 and 5,440.01 is: 7,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.85 : 11,734.77 = 5,440.01 : x
  2. Step 2: Convert to fraction form
    8,504.85/11,734.77 = 5,440.01/x
  3. Step 3: Cross multiply
    8,504.85x = 11,734.77 × 5,440.01
  4. Step 4: Simplify right side
    8,504.85x = 63,837,293.88
  5. Step 5: Solve for x
    x = 63,837,293.88/8,504.85
  6. Step 6: Final answer
    x = 7,505.99

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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.