Home / 8,272.22-11,415.55-4,495.34

Finding the Fourth Proportional to 8,272.22, 11,415.55 and 4,495.34

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Solution

The fourth proportional to 8,272.22, 11,415.55 and 4,495.34 is: 6,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.22 : 11,415.55 = 4,495.34 : x
  2. Step 2: Convert to fraction form
    8,272.22/11,415.55 = 4,495.34/x
  3. Step 3: Cross multiply
    8,272.22x = 11,415.55 × 4,495.34
  4. Step 4: Simplify right side
    8,272.22x = 51,316,740.05
  5. Step 5: Solve for x
    x = 51,316,740.05/8,272.22
  6. Step 6: Final answer
    x = 6,203.51

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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.