Home / 7,381.13-10,185.23-4,236.71

Finding the Fourth Proportional to 7,381.13, 10,185.23 and 4,236.71

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Solution

The fourth proportional to 7,381.13, 10,185.23 and 4,236.71 is: 5,846.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.13 : 10,185.23 = 4,236.71 : x
  2. Step 2: Convert to fraction form
    7,381.13/10,185.23 = 4,236.71/x
  3. Step 3: Cross multiply
    7,381.13x = 10,185.23 × 4,236.71
  4. Step 4: Simplify right side
    7,381.13x = 43,151,814.87
  5. Step 5: Solve for x
    x = 43,151,814.87/7,381.13
  6. Step 6: Final answer
    x = 5,846.24

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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.