Home / 7,116.84-10,676.76-2,186.76

Finding the Fourth Proportional to 7,116.84, 10,676.76 and 2,186.76

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Solution

The fourth proportional to 7,116.84, 10,676.76 and 2,186.76 is: 3,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.84 : 10,676.76 = 2,186.76 : x
  2. Step 2: Convert to fraction form
    7,116.84/10,676.76 = 2,186.76/x
  3. Step 3: Cross multiply
    7,116.84x = 10,676.76 × 2,186.76
  4. Step 4: Simplify right side
    7,116.84x = 23,347,511.70
  5. Step 5: Solve for x
    x = 23,347,511.70/7,116.84
  6. Step 6: Final answer
    x = 3,280.60

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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.