Home / 12,663.10-18,995.73-3,304.36

Finding the Fourth Proportional to 12,663.10, 18,995.73 and 3,304.36

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Solution

The fourth proportional to 12,663.10, 18,995.73 and 3,304.36 is: 4,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.10 : 18,995.73 = 3,304.36 : x
  2. Step 2: Convert to fraction form
    12,663.10/18,995.73 = 3,304.36/x
  3. Step 3: Cross multiply
    12,663.10x = 18,995.73 × 3,304.36
  4. Step 4: Simplify right side
    12,663.10x = 62,768,730.38
  5. Step 5: Solve for x
    x = 62,768,730.38/12,663.10
  6. Step 6: Final answer
    x = 4,956.82

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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.