Home / 8,272.08-11,415.36-4,495.32

Finding the Fourth Proportional to 8,272.08, 11,415.36 and 4,495.32

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Solution

The fourth proportional to 8,272.08, 11,415.36 and 4,495.32 is: 6,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.08 : 11,415.36 = 4,495.32 : x
  2. Step 2: Convert to fraction form
    8,272.08/11,415.36 = 4,495.32/x
  3. Step 3: Cross multiply
    8,272.08x = 11,415.36 × 4,495.32
  4. Step 4: Simplify right side
    8,272.08x = 51,315,696.12
  5. Step 5: Solve for x
    x = 51,315,696.12/8,272.08
  6. Step 6: Final answer
    x = 6,203.48

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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.