Home / 8,442.97-11,636.64-6,170.59

Finding the Fourth Proportional to 8,442.97, 11,636.64 and 6,170.59

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Solution

The fourth proportional to 8,442.97, 11,636.64 and 6,170.59 is: 8,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.97 : 11,636.64 = 6,170.59 : x
  2. Step 2: Convert to fraction form
    8,442.97/11,636.64 = 6,170.59/x
  3. Step 3: Cross multiply
    8,442.97x = 11,636.64 × 6,170.59
  4. Step 4: Simplify right side
    8,442.97x = 71,804,973.76
  5. Step 5: Solve for x
    x = 71,804,973.76/8,442.97
  6. Step 6: Final answer
    x = 8,504.70

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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.