Home / 9,190.17-12,682.35-4,998.42

Finding the Fourth Proportional to 9,190.17, 12,682.35 and 4,998.42

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Solution

The fourth proportional to 9,190.17, 12,682.35 and 4,998.42 is: 6,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.17 : 12,682.35 = 4,998.42 : x
  2. Step 2: Convert to fraction form
    9,190.17/12,682.35 = 4,998.42/x
  3. Step 3: Cross multiply
    9,190.17x = 12,682.35 × 4,998.42
  4. Step 4: Simplify right side
    9,190.17x = 63,391,711.89
  5. Step 5: Solve for x
    x = 63,391,711.89/9,190.17
  6. Step 6: Final answer
    x = 6,897.77

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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.