Home / 11,729.43-16,185.15-6,693.12

Finding the Fourth Proportional to 11,729.43, 16,185.15 and 6,693.12

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Solution

The fourth proportional to 11,729.43, 16,185.15 and 6,693.12 is: 9,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.43 : 16,185.15 = 6,693.12 : x
  2. Step 2: Convert to fraction form
    11,729.43/16,185.15 = 6,693.12/x
  3. Step 3: Cross multiply
    11,729.43x = 16,185.15 × 6,693.12
  4. Step 4: Simplify right side
    11,729.43x = 108,329,151.17
  5. Step 5: Solve for x
    x = 108,329,151.17/11,729.43
  6. Step 6: Final answer
    x = 9,235.67

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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.