Home / 12,414.86-17,127.66-7,106.84

Finding the Fourth Proportional to 12,414.86, 17,127.66 and 7,106.84

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Solution

The fourth proportional to 12,414.86, 17,127.66 and 7,106.84 is: 9,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.86 : 17,127.66 = 7,106.84 : x
  2. Step 2: Convert to fraction form
    12,414.86/17,127.66 = 7,106.84/x
  3. Step 3: Cross multiply
    12,414.86x = 17,127.66 × 7,106.84
  4. Step 4: Simplify right side
    12,414.86x = 121,723,539.19
  5. Step 5: Solve for x
    x = 121,723,539.19/12,414.86
  6. Step 6: Final answer
    x = 9,804.66

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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.