Home / 11,962.01-17,953.95-9,179.66

Finding the Fourth Proportional to 11,962.01, 17,953.95 and 9,179.66

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Solution

The fourth proportional to 11,962.01, 17,953.95 and 9,179.66 is: 13,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.01 : 17,953.95 = 9,179.66 : x
  2. Step 2: Convert to fraction form
    11,962.01/17,953.95 = 9,179.66/x
  3. Step 3: Cross multiply
    11,962.01x = 17,953.95 × 9,179.66
  4. Step 4: Simplify right side
    11,962.01x = 164,811,066.89
  5. Step 5: Solve for x
    x = 164,811,066.89/11,962.01
  6. Step 6: Final answer
    x = 13,777.88

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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.