Home / 11,661.12-17,500.80-4,740.48

Finding the Fourth Proportional to 11,661.12, 17,500.80 and 4,740.48

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Solution

The fourth proportional to 11,661.12, 17,500.80 and 4,740.48 is: 7,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.12 : 17,500.80 = 4,740.48 : x
  2. Step 2: Convert to fraction form
    11,661.12/17,500.80 = 4,740.48/x
  3. Step 3: Cross multiply
    11,661.12x = 17,500.80 × 4,740.48
  4. Step 4: Simplify right side
    11,661.12x = 82,962,192.38
  5. Step 5: Solve for x
    x = 82,962,192.38/11,661.12
  6. Step 6: Final answer
    x = 7,114.43

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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.