Home / 7,885.03-11,827.55-3,207.59

Finding the Fourth Proportional to 7,885.03, 11,827.55 and 3,207.59

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Solution

The fourth proportional to 7,885.03, 11,827.55 and 3,207.59 is: 4,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.03 : 11,827.55 = 3,207.59 : x
  2. Step 2: Convert to fraction form
    7,885.03/11,827.55 = 3,207.59/x
  3. Step 3: Cross multiply
    7,885.03x = 11,827.55 × 3,207.59
  4. Step 4: Simplify right side
    7,885.03x = 37,937,867.96
  5. Step 5: Solve for x
    x = 37,937,867.96/7,885.03
  6. Step 6: Final answer
    x = 4,811.38

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Similar ratio
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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.