Home / 12,108.04-16,707.22-6,801.84

Finding the Fourth Proportional to 12,108.04, 16,707.22 and 6,801.84

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Solution

The fourth proportional to 12,108.04, 16,707.22 and 6,801.84 is: 9,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.04 : 16,707.22 = 6,801.84 : x
  2. Step 2: Convert to fraction form
    12,108.04/16,707.22 = 6,801.84/x
  3. Step 3: Cross multiply
    12,108.04x = 16,707.22 × 6,801.84
  4. Step 4: Simplify right side
    12,108.04x = 113,639,837.28
  5. Step 5: Solve for x
    x = 113,639,837.28/12,108.04
  6. Step 6: Final answer
    x = 9,385.49

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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.