Home / 7,299.96-10,072.14-4,112.64

Finding the Fourth Proportional to 7,299.96, 10,072.14 and 4,112.64

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Solution

The fourth proportional to 7,299.96, 10,072.14 and 4,112.64 is: 5,674.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.96 : 10,072.14 = 4,112.64 : x
  2. Step 2: Convert to fraction form
    7,299.96/10,072.14 = 4,112.64/x
  3. Step 3: Cross multiply
    7,299.96x = 10,072.14 × 4,112.64
  4. Step 4: Simplify right side
    7,299.96x = 41,423,085.85
  5. Step 5: Solve for x
    x = 41,423,085.85/7,299.96
  6. Step 6: Final answer
    x = 5,674.43

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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.