Home / 11,071.70-16,607.55-4,145.30

Finding the Fourth Proportional to 11,071.70, 16,607.55 and 4,145.30

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Solution

The fourth proportional to 11,071.70, 16,607.55 and 4,145.30 is: 6,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.70 : 16,607.55 = 4,145.30 : x
  2. Step 2: Convert to fraction form
    11,071.70/16,607.55 = 4,145.30/x
  3. Step 3: Cross multiply
    11,071.70x = 16,607.55 × 4,145.30
  4. Step 4: Simplify right side
    11,071.70x = 68,843,277.02
  5. Step 5: Solve for x
    x = 68,843,277.02/11,071.70
  6. Step 6: Final answer
    x = 6,217.95

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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.