Home / 11,050.80-16,580.16-5,503.65

Finding the Fourth Proportional to 11,050.80, 16,580.16 and 5,503.65

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Solution

The fourth proportional to 11,050.80, 16,580.16 and 5,503.65 is: 8,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.80 : 16,580.16 = 5,503.65 : x
  2. Step 2: Convert to fraction form
    11,050.80/16,580.16 = 5,503.65/x
  3. Step 3: Cross multiply
    11,050.80x = 16,580.16 × 5,503.65
  4. Step 4: Simplify right side
    11,050.80x = 91,251,397.58
  5. Step 5: Solve for x
    x = 91,251,397.58/11,050.80
  6. Step 6: Final answer
    x = 8,257.45

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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.