Home / 8,272.17-11,415.54-4,495.31

Finding the Fourth Proportional to 8,272.17, 11,415.54 and 4,495.31

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Solution

The fourth proportional to 8,272.17, 11,415.54 and 4,495.31 is: 6,203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.17 : 11,415.54 = 4,495.31 : x
  2. Step 2: Convert to fraction form
    8,272.17/11,415.54 = 4,495.31/x
  3. Step 3: Cross multiply
    8,272.17x = 11,415.54 × 4,495.31
  4. Step 4: Simplify right side
    8,272.17x = 51,316,391.12
  5. Step 5: Solve for x
    x = 51,316,391.12/8,272.17
  6. Step 6: Final answer
    x = 6,203.50

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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.