Home / 7,311.56-10,068.68-6,354.02

Finding the Fourth Proportional to 7,311.56, 10,068.68 and 6,354.02

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Solution

The fourth proportional to 7,311.56, 10,068.68 and 6,354.02 is: 8,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.56 : 10,068.68 = 6,354.02 : x
  2. Step 2: Convert to fraction form
    7,311.56/10,068.68 = 6,354.02/x
  3. Step 3: Cross multiply
    7,311.56x = 10,068.68 × 6,354.02
  4. Step 4: Simplify right side
    7,311.56x = 63,976,511.98
  5. Step 5: Solve for x
    x = 63,976,511.98/7,311.56
  6. Step 6: Final answer
    x = 8,750.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.