Home / 8,848.08-12,221.19-6,619.86

Finding the Fourth Proportional to 8,848.08, 12,221.19 and 6,619.86

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Solution

The fourth proportional to 8,848.08, 12,221.19 and 6,619.86 is: 9,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.08 : 12,221.19 = 6,619.86 : x
  2. Step 2: Convert to fraction form
    8,848.08/12,221.19 = 6,619.86/x
  3. Step 3: Cross multiply
    8,848.08x = 12,221.19 × 6,619.86
  4. Step 4: Simplify right side
    8,848.08x = 80,902,566.83
  5. Step 5: Solve for x
    x = 80,902,566.83/8,848.08
  6. Step 6: Final answer
    x = 9,143.52

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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.