Home / 12,101.16-16,699.39-6,723.62

Finding the Fourth Proportional to 12,101.16, 16,699.39 and 6,723.62

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Solution

The fourth proportional to 12,101.16, 16,699.39 and 6,723.62 is: 9,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.16 : 16,699.39 = 6,723.62 : x
  2. Step 2: Convert to fraction form
    12,101.16/16,699.39 = 6,723.62/x
  3. Step 3: Cross multiply
    12,101.16x = 16,699.39 × 6,723.62
  4. Step 4: Simplify right side
    12,101.16x = 112,280,377.53
  5. Step 5: Solve for x
    x = 112,280,377.53/12,101.16
  6. Step 6: Final answer
    x = 9,278.48

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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.