Home / 11,109.06-16,644.69-9,706.95

Finding the Fourth Proportional to 11,109.06, 16,644.69 and 9,706.95

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Solution

The fourth proportional to 11,109.06, 16,644.69 and 9,706.95 is: 14,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.06 : 16,644.69 = 9,706.95 : x
  2. Step 2: Convert to fraction form
    11,109.06/16,644.69 = 9,706.95/x
  3. Step 3: Cross multiply
    11,109.06x = 16,644.69 × 9,706.95
  4. Step 4: Simplify right side
    11,109.06x = 161,569,173.60
  5. Step 5: Solve for x
    x = 161,569,173.60/11,109.06
  6. Step 6: Final answer
    x = 14,543.91

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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.