Home / 12,549.92-17,319.21-6,884.91

Finding the Fourth Proportional to 12,549.92, 17,319.21 and 6,884.91

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Solution

The fourth proportional to 12,549.92, 17,319.21 and 6,884.91 is: 9,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.92 : 17,319.21 = 6,884.91 : x
  2. Step 2: Convert to fraction form
    12,549.92/17,319.21 = 6,884.91/x
  3. Step 3: Cross multiply
    12,549.92x = 17,319.21 × 6,884.91
  4. Step 4: Simplify right side
    12,549.92x = 119,241,202.12
  5. Step 5: Solve for x
    x = 119,241,202.12/12,549.92
  6. Step 6: Final answer
    x = 9,501.36

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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.