Home / 11,968.13-17,925.46-8,673.66

Finding the Fourth Proportional to 11,968.13, 17,925.46 and 8,673.66

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Solution

The fourth proportional to 11,968.13, 17,925.46 and 8,673.66 is: 12,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.13 : 17,925.46 = 8,673.66 : x
  2. Step 2: Convert to fraction form
    11,968.13/17,925.46 = 8,673.66/x
  3. Step 3: Cross multiply
    11,968.13x = 17,925.46 × 8,673.66
  4. Step 4: Simplify right side
    11,968.13x = 155,479,322.25
  5. Step 5: Solve for x
    x = 155,479,322.25/11,968.13
  6. Step 6: Final answer
    x = 12,991.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.