Home / 9,170.96-12,655.88-5,192.44

Finding the Fourth Proportional to 9,170.96, 12,655.88 and 5,192.44

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Solution

The fourth proportional to 9,170.96, 12,655.88 and 5,192.44 is: 7,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.96 : 12,655.88 = 5,192.44 : x
  2. Step 2: Convert to fraction form
    9,170.96/12,655.88 = 5,192.44/x
  3. Step 3: Cross multiply
    9,170.96x = 12,655.88 × 5,192.44
  4. Step 4: Simplify right side
    9,170.96x = 65,714,897.55
  5. Step 5: Solve for x
    x = 65,714,897.55/9,170.96
  6. Step 6: Final answer
    x = 7,165.54

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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.