Home / 12,313.48-18,473.25-3,549.08

Finding the Fourth Proportional to 12,313.48, 18,473.25 and 3,549.08

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Solution

The fourth proportional to 12,313.48, 18,473.25 and 3,549.08 is: 5,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.48 : 18,473.25 = 3,549.08 : x
  2. Step 2: Convert to fraction form
    12,313.48/18,473.25 = 3,549.08/x
  3. Step 3: Cross multiply
    12,313.48x = 18,473.25 × 3,549.08
  4. Step 4: Simplify right side
    12,313.48x = 65,563,042.11
  5. Step 5: Solve for x
    x = 65,563,042.11/12,313.48
  6. Step 6: Final answer
    x = 5,324.49

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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.