Home / 13,049.10-18,007.67-7,080.62

Finding the Fourth Proportional to 13,049.10, 18,007.67 and 7,080.62

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Solution

The fourth proportional to 13,049.10, 18,007.67 and 7,080.62 is: 9,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.10 : 18,007.67 = 7,080.62 : x
  2. Step 2: Convert to fraction form
    13,049.10/18,007.67 = 7,080.62/x
  3. Step 3: Cross multiply
    13,049.10x = 18,007.67 × 7,080.62
  4. Step 4: Simplify right side
    13,049.10x = 127,505,356.19
  5. Step 5: Solve for x
    x = 127,505,356.19/13,049.10
  6. Step 6: Final answer
    x = 9,771.20

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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.