Home / 11,238.71-16,855.33-4,658.58

Finding the Fourth Proportional to 11,238.71, 16,855.33 and 4,658.58

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Solution

The fourth proportional to 11,238.71, 16,855.33 and 4,658.58 is: 6,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.71 : 16,855.33 = 4,658.58 : x
  2. Step 2: Convert to fraction form
    11,238.71/16,855.33 = 4,658.58/x
  3. Step 3: Cross multiply
    11,238.71x = 16,855.33 × 4,658.58
  4. Step 4: Simplify right side
    11,238.71x = 78,521,903.23
  5. Step 5: Solve for x
    x = 78,521,903.23/11,238.71
  6. Step 6: Final answer
    x = 6,986.74

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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.