Home / 11,307.05-16,962.11-4,731.70

Finding the Fourth Proportional to 11,307.05, 16,962.11 and 4,731.70

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Solution

The fourth proportional to 11,307.05, 16,962.11 and 4,731.70 is: 7,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.05 : 16,962.11 = 4,731.70 : x
  2. Step 2: Convert to fraction form
    11,307.05/16,962.11 = 4,731.70/x
  3. Step 3: Cross multiply
    11,307.05x = 16,962.11 × 4,731.70
  4. Step 4: Simplify right side
    11,307.05x = 80,259,615.89
  5. Step 5: Solve for x
    x = 80,259,615.89/11,307.05
  6. Step 6: Final answer
    x = 7,098.19

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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.