Home / 11,880.60-17,815.77-4,856.22

Finding the Fourth Proportional to 11,880.60, 17,815.77 and 4,856.22

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Solution

The fourth proportional to 11,880.60, 17,815.77 and 4,856.22 is: 7,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.60 : 17,815.77 = 4,856.22 : x
  2. Step 2: Convert to fraction form
    11,880.60/17,815.77 = 4,856.22/x
  3. Step 3: Cross multiply
    11,880.60x = 17,815.77 × 4,856.22
  4. Step 4: Simplify right side
    11,880.60x = 86,517,298.59
  5. Step 5: Solve for x
    x = 86,517,298.59/11,880.60
  6. Step 6: Final answer
    x = 7,282.23

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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.