Home / 11,708.52-16,130.82-11,155.56

Finding the Fourth Proportional to 11,708.52, 16,130.82 and 11,155.56

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Solution

The fourth proportional to 11,708.52, 16,130.82 and 11,155.56 is: 15,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.52 : 16,130.82 = 11,155.56 : x
  2. Step 2: Convert to fraction form
    11,708.52/16,130.82 = 11,155.56/x
  3. Step 3: Cross multiply
    11,708.52x = 16,130.82 × 11,155.56
  4. Step 4: Simplify right side
    11,708.52x = 179,948,330.36
  5. Step 5: Solve for x
    x = 179,948,330.36/11,708.52
  6. Step 6: Final answer
    x = 15,369.01

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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.