Home / 12,212.07-16,834.28-9,554.86

Finding the Fourth Proportional to 12,212.07, 16,834.28 and 9,554.86

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Solution

The fourth proportional to 12,212.07, 16,834.28 and 9,554.86 is: 13,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.07 : 16,834.28 = 9,554.86 : x
  2. Step 2: Convert to fraction form
    12,212.07/16,834.28 = 9,554.86/x
  3. Step 3: Cross multiply
    12,212.07x = 16,834.28 × 9,554.86
  4. Step 4: Simplify right side
    12,212.07x = 160,849,215.62
  5. Step 5: Solve for x
    x = 160,849,215.62/12,212.07
  6. Step 6: Final answer
    x = 13,171.33

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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.