Home / 11,160.61-16,725.38-7,416.79

Finding the Fourth Proportional to 11,160.61, 16,725.38 and 7,416.79

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Solution

The fourth proportional to 11,160.61, 16,725.38 and 7,416.79 is: 11,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.61 : 16,725.38 = 7,416.79 : x
  2. Step 2: Convert to fraction form
    11,160.61/16,725.38 = 7,416.79/x
  3. Step 3: Cross multiply
    11,160.61x = 16,725.38 × 7,416.79
  4. Step 4: Simplify right side
    11,160.61x = 124,048,552.23
  5. Step 5: Solve for x
    x = 124,048,552.23/11,160.61
  6. Step 6: Final answer
    x = 11,114.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.