Home / 7,243.86-10,867-2,313.12

Finding the Fourth Proportional to 7,243.86, 10,867 and 2,313.12

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Solution

The fourth proportional to 7,243.86, 10,867 and 2,313.12 is: 3,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.86 : 10,867 = 2,313.12 : x
  2. Step 2: Convert to fraction form
    7,243.86/10,867 = 2,313.12/x
  3. Step 3: Cross multiply
    7,243.86x = 10,867 × 2,313.12
  4. Step 4: Simplify right side
    7,243.86x = 25,136,675.04
  5. Step 5: Solve for x
    x = 25,136,675.04/7,243.86
  6. Step 6: Final answer
    x = 3,470.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.