Home / 12,635.08-18,945.05-5,973.28

Finding the Fourth Proportional to 12,635.08, 18,945.05 and 5,973.28

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Solution

The fourth proportional to 12,635.08, 18,945.05 and 5,973.28 is: 8,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.08 : 18,945.05 = 5,973.28 : x
  2. Step 2: Convert to fraction form
    12,635.08/18,945.05 = 5,973.28/x
  3. Step 3: Cross multiply
    12,635.08x = 18,945.05 × 5,973.28
  4. Step 4: Simplify right side
    12,635.08x = 113,164,011.03
  5. Step 5: Solve for x
    x = 113,164,011.03/12,635.08
  6. Step 6: Final answer
    x = 8,956.34

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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.