Home / 8,424.96-11,622.88-6,182.98

Finding the Fourth Proportional to 8,424.96, 11,622.88 and 6,182.98

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Solution

The fourth proportional to 8,424.96, 11,622.88 and 6,182.98 is: 8,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.96 : 11,622.88 = 6,182.98 : x
  2. Step 2: Convert to fraction form
    8,424.96/11,622.88 = 6,182.98/x
  3. Step 3: Cross multiply
    8,424.96x = 11,622.88 × 6,182.98
  4. Step 4: Simplify right side
    8,424.96x = 71,864,034.58
  5. Step 5: Solve for x
    x = 71,864,034.58/8,424.96
  6. Step 6: Final answer
    x = 8,529.90

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1.5x scale

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.