Home / 13,080.06-18,042.67-8,364.24

Finding the Fourth Proportional to 13,080.06, 18,042.67 and 8,364.24

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Solution

The fourth proportional to 13,080.06, 18,042.67 and 8,364.24 is: 11,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.06 : 18,042.67 = 8,364.24 : x
  2. Step 2: Convert to fraction form
    13,080.06/18,042.67 = 8,364.24/x
  3. Step 3: Cross multiply
    13,080.06x = 18,042.67 × 8,364.24
  4. Step 4: Simplify right side
    13,080.06x = 150,913,222.12
  5. Step 5: Solve for x
    x = 150,913,222.12/13,080.06
  6. Step 6: Final answer
    x = 11,537.66

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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.