Home / 11,823.12-16,316.73-6,788.79

Finding the Fourth Proportional to 11,823.12, 16,316.73 and 6,788.79

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Solution

The fourth proportional to 11,823.12, 16,316.73 and 6,788.79 is: 9,369.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.12 : 16,316.73 = 6,788.79 : x
  2. Step 2: Convert to fraction form
    11,823.12/16,316.73 = 6,788.79/x
  3. Step 3: Cross multiply
    11,823.12x = 16,316.73 × 6,788.79
  4. Step 4: Simplify right side
    11,823.12x = 110,770,853.46
  5. Step 5: Solve for x
    x = 110,770,853.46/11,823.12
  6. Step 6: Final answer
    x = 9,369.00

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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.