Home / 11,160.43-16,740.14-4,918.77

Finding the Fourth Proportional to 11,160.43, 16,740.14 and 4,918.77

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Solution

The fourth proportional to 11,160.43, 16,740.14 and 4,918.77 is: 7,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.43 : 16,740.14 = 4,918.77 : x
  2. Step 2: Convert to fraction form
    11,160.43/16,740.14 = 4,918.77/x
  3. Step 3: Cross multiply
    11,160.43x = 16,740.14 × 4,918.77
  4. Step 4: Simplify right side
    11,160.43x = 82,340,873.83
  5. Step 5: Solve for x
    x = 82,340,873.83/11,160.43
  6. Step 6: Final answer
    x = 7,377.93

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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.