Home / 12,924.12-17,845.20-9,395.76

Finding the Fourth Proportional to 12,924.12, 17,845.20 and 9,395.76

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Solution

The fourth proportional to 12,924.12, 17,845.20 and 9,395.76 is: 12,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.12 : 17,845.20 = 9,395.76 : x
  2. Step 2: Convert to fraction form
    12,924.12/17,845.20 = 9,395.76/x
  3. Step 3: Cross multiply
    12,924.12x = 17,845.20 × 9,395.76
  4. Step 4: Simplify right side
    12,924.12x = 167,669,216.35
  5. Step 5: Solve for x
    x = 167,669,216.35/12,924.12
  6. Step 6: Final answer
    x = 12,973.36

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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.