Home / 10,587.56-15,881.22-3,661.96

Finding the Fourth Proportional to 10,587.56, 15,881.22 and 3,661.96

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Solution

The fourth proportional to 10,587.56, 15,881.22 and 3,661.96 is: 5,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.56 : 15,881.22 = 3,661.96 : x
  2. Step 2: Convert to fraction form
    10,587.56/15,881.22 = 3,661.96/x
  3. Step 3: Cross multiply
    10,587.56x = 15,881.22 × 3,661.96
  4. Step 4: Simplify right side
    10,587.56x = 58,156,392.39
  5. Step 5: Solve for x
    x = 58,156,392.39/10,587.56
  6. Step 6: Final answer
    x = 5,492.90

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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.