Home / 12,313.27-16,992.99-7,280.43

Finding the Fourth Proportional to 12,313.27, 16,992.99 and 7,280.43

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Solution

The fourth proportional to 12,313.27, 16,992.99 and 7,280.43 is: 10,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.27 : 16,992.99 = 7,280.43 : x
  2. Step 2: Convert to fraction form
    12,313.27/16,992.99 = 7,280.43/x
  3. Step 3: Cross multiply
    12,313.27x = 16,992.99 × 7,280.43
  4. Step 4: Simplify right side
    12,313.27x = 123,716,306.05
  5. Step 5: Solve for x
    x = 123,716,306.05/12,313.27
  6. Step 6: Final answer
    x = 10,047.40

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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.