Home / 12,313.04-18,485.91-5,743.82

Finding the Fourth Proportional to 12,313.04, 18,485.91 and 5,743.82

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Solution

The fourth proportional to 12,313.04, 18,485.91 and 5,743.82 is: 8,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.04 : 18,485.91 = 5,743.82 : x
  2. Step 2: Convert to fraction form
    12,313.04/18,485.91 = 5,743.82/x
  3. Step 3: Cross multiply
    12,313.04x = 18,485.91 × 5,743.82
  4. Step 4: Simplify right side
    12,313.04x = 106,179,739.58
  5. Step 5: Solve for x
    x = 106,179,739.58/12,313.04
  6. Step 6: Final answer
    x = 8,623.36

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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.