Home / 9,874.22-13,625.87-5,397.08

Finding the Fourth Proportional to 9,874.22, 13,625.87 and 5,397.08

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Solution

The fourth proportional to 9,874.22, 13,625.87 and 5,397.08 is: 7,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874.22 : 13,625.87 = 5,397.08 : x
  2. Step 2: Convert to fraction form
    9,874.22/13,625.87 = 5,397.08/x
  3. Step 3: Cross multiply
    9,874.22x = 13,625.87 × 5,397.08
  4. Step 4: Simplify right side
    9,874.22x = 73,539,815.34
  5. Step 5: Solve for x
    x = 73,539,815.34/9,874.22
  6. Step 6: Final answer
    x = 7,447.66

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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.