Home / 11,862.14-16,318.53-10,256.81

Finding the Fourth Proportional to 11,862.14, 16,318.53 and 10,256.81

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Solution

The fourth proportional to 11,862.14, 16,318.53 and 10,256.81 is: 14,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.14 : 16,318.53 = 10,256.81 : x
  2. Step 2: Convert to fraction form
    11,862.14/16,318.53 = 10,256.81/x
  3. Step 3: Cross multiply
    11,862.14x = 16,318.53 × 10,256.81
  4. Step 4: Simplify right side
    11,862.14x = 167,376,061.69
  5. Step 5: Solve for x
    x = 167,376,061.69/11,862.14
  6. Step 6: Final answer
    x = 14,110.11

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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.