Home / 8,419.08-11,616.99-4,881.60

Finding the Fourth Proportional to 8,419.08, 11,616.99 and 4,881.60

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Solution

The fourth proportional to 8,419.08, 11,616.99 and 4,881.60 is: 6,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.08 : 11,616.99 = 4,881.60 : x
  2. Step 2: Convert to fraction form
    8,419.08/11,616.99 = 4,881.60/x
  3. Step 3: Cross multiply
    8,419.08x = 11,616.99 × 4,881.60
  4. Step 4: Simplify right side
    8,419.08x = 56,709,498.38
  5. Step 5: Solve for x
    x = 56,709,498.38/8,419.08
  6. Step 6: Final answer
    x = 6,735.83

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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.