Home / 11,754.46-16,218.39-8,605.18

Finding the Fourth Proportional to 11,754.46, 16,218.39 and 8,605.18

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Solution

The fourth proportional to 11,754.46, 16,218.39 and 8,605.18 is: 11,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.46 : 16,218.39 = 8,605.18 : x
  2. Step 2: Convert to fraction form
    11,754.46/16,218.39 = 8,605.18/x
  3. Step 3: Cross multiply
    11,754.46x = 16,218.39 × 8,605.18
  4. Step 4: Simplify right side
    11,754.46x = 139,562,165.26
  5. Step 5: Solve for x
    x = 139,562,165.26/11,754.46
  6. Step 6: Final answer
    x = 11,873.12

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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.