Home / 7,820.46-11,679.54-6,262.83

Finding the Fourth Proportional to 7,820.46, 11,679.54 and 6,262.83

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Solution

The fourth proportional to 7,820.46, 11,679.54 and 6,262.83 is: 9,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.46 : 11,679.54 = 6,262.83 : x
  2. Step 2: Convert to fraction form
    7,820.46/11,679.54 = 6,262.83/x
  3. Step 3: Cross multiply
    7,820.46x = 11,679.54 × 6,262.83
  4. Step 4: Simplify right side
    7,820.46x = 73,146,973.50
  5. Step 5: Solve for x
    x = 73,146,973.50/7,820.46
  6. Step 6: Final answer
    x = 9,353.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.