Home / 7,186.44-9,918.20-4,043.23

Finding the Fourth Proportional to 7,186.44, 9,918.20 and 4,043.23

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Solution

The fourth proportional to 7,186.44, 9,918.20 and 4,043.23 is: 5,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.44 : 9,918.20 = 4,043.23 : x
  2. Step 2: Convert to fraction form
    7,186.44/9,918.20 = 4,043.23/x
  3. Step 3: Cross multiply
    7,186.44x = 9,918.20 × 4,043.23
  4. Step 4: Simplify right side
    7,186.44x = 40,101,563.79
  5. Step 5: Solve for x
    x = 40,101,563.79/7,186.44
  6. Step 6: Final answer
    x = 5,580.17

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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.