Home / 11,168.58-15,417.89-6,451.95

Finding the Fourth Proportional to 11,168.58, 15,417.89 and 6,451.95

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Solution

The fourth proportional to 11,168.58, 15,417.89 and 6,451.95 is: 8,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.58 : 15,417.89 = 6,451.95 : x
  2. Step 2: Convert to fraction form
    11,168.58/15,417.89 = 6,451.95/x
  3. Step 3: Cross multiply
    11,168.58x = 15,417.89 × 6,451.95
  4. Step 4: Simplify right side
    11,168.58x = 99,475,541.43
  5. Step 5: Solve for x
    x = 99,475,541.43/11,168.58
  6. Step 6: Final answer
    x = 8,906.73

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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.