Home / 11,958.17-16,506.78-10,272.81

Finding the Fourth Proportional to 11,958.17, 16,506.78 and 10,272.81

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Solution

The fourth proportional to 11,958.17, 16,506.78 and 10,272.81 is: 14,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.17 : 16,506.78 = 10,272.81 : x
  2. Step 2: Convert to fraction form
    11,958.17/16,506.78 = 10,272.81/x
  3. Step 3: Cross multiply
    11,958.17x = 16,506.78 × 10,272.81
  4. Step 4: Simplify right side
    11,958.17x = 169,571,014.65
  5. Step 5: Solve for x
    x = 169,571,014.65/11,958.17
  6. Step 6: Final answer
    x = 14,180.35

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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.