Home / 12,360.50-17,051.56-11,883.09

Finding the Fourth Proportional to 12,360.50, 17,051.56 and 11,883.09

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Solution

The fourth proportional to 12,360.50, 17,051.56 and 11,883.09 is: 16,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.50 : 17,051.56 = 11,883.09 : x
  2. Step 2: Convert to fraction form
    12,360.50/17,051.56 = 11,883.09/x
  3. Step 3: Cross multiply
    12,360.50x = 17,051.56 × 11,883.09
  4. Step 4: Simplify right side
    12,360.50x = 202,625,222.12
  5. Step 5: Solve for x
    x = 202,625,222.12/12,360.50
  6. Step 6: Final answer
    x = 16,392.96

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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.