Home / 11,801.04-16,270.38-8,971.44

Finding the Fourth Proportional to 11,801.04, 16,270.38 and 8,971.44

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Solution

The fourth proportional to 11,801.04, 16,270.38 and 8,971.44 is: 12,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.04 : 16,270.38 = 8,971.44 : x
  2. Step 2: Convert to fraction form
    11,801.04/16,270.38 = 8,971.44/x
  3. Step 3: Cross multiply
    11,801.04x = 16,270.38 × 8,971.44
  4. Step 4: Simplify right side
    11,801.04x = 145,968,737.95
  5. Step 5: Solve for x
    x = 145,968,737.95/11,801.04
  6. Step 6: Final answer
    x = 12,369.14

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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.