Home / 11,307.96-16,948.35-4,186.53

Finding the Fourth Proportional to 11,307.96, 16,948.35 and 4,186.53

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Solution

The fourth proportional to 11,307.96, 16,948.35 and 4,186.53 is: 6,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.96 : 16,948.35 = 4,186.53 : x
  2. Step 2: Convert to fraction form
    11,307.96/16,948.35 = 4,186.53/x
  3. Step 3: Cross multiply
    11,307.96x = 16,948.35 × 4,186.53
  4. Step 4: Simplify right side
    11,307.96x = 70,954,775.73
  5. Step 5: Solve for x
    x = 70,954,775.73/11,307.96
  6. Step 6: Final answer
    x = 6,274.76

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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.