Home / 7,561.55-11,335.04-4,781.33

Finding the Fourth Proportional to 7,561.55, 11,335.04 and 4,781.33

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Solution

The fourth proportional to 7,561.55, 11,335.04 and 4,781.33 is: 7,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.55 : 11,335.04 = 4,781.33 : x
  2. Step 2: Convert to fraction form
    7,561.55/11,335.04 = 4,781.33/x
  3. Step 3: Cross multiply
    7,561.55x = 11,335.04 × 4,781.33
  4. Step 4: Simplify right side
    7,561.55x = 54,196,546.66
  5. Step 5: Solve for x
    x = 54,196,546.66/7,561.55
  6. Step 6: Final answer
    x = 7,167.38

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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.