Home / 11,257.16-16,880.61-4,679.42

Finding the Fourth Proportional to 11,257.16, 16,880.61 and 4,679.42

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Solution

The fourth proportional to 11,257.16, 16,880.61 and 4,679.42 is: 7,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.16 : 16,880.61 = 4,679.42 : x
  2. Step 2: Convert to fraction form
    11,257.16/16,880.61 = 4,679.42/x
  3. Step 3: Cross multiply
    11,257.16x = 16,880.61 × 4,679.42
  4. Step 4: Simplify right side
    11,257.16x = 78,991,464.05
  5. Step 5: Solve for x
    x = 78,991,464.05/11,257.16
  6. Step 6: Final answer
    x = 7,017.00

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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.