Home / 8,111.08-12,188.60-4,416.04

Finding the Fourth Proportional to 8,111.08, 12,188.60 and 4,416.04

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Solution

The fourth proportional to 8,111.08, 12,188.60 and 4,416.04 is: 6,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.08 : 12,188.60 = 4,416.04 : x
  2. Step 2: Convert to fraction form
    8,111.08/12,188.60 = 4,416.04/x
  3. Step 3: Cross multiply
    8,111.08x = 12,188.60 × 4,416.04
  4. Step 4: Simplify right side
    8,111.08x = 53,825,345.14
  5. Step 5: Solve for x
    x = 53,825,345.14/8,111.08
  6. Step 6: Final answer
    x = 6,636.03

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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.