Home / 12,328.06-18,495.20-3,562.92

Finding the Fourth Proportional to 12,328.06, 18,495.20 and 3,562.92

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Solution

The fourth proportional to 12,328.06, 18,495.20 and 3,562.92 is: 5,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.06 : 18,495.20 = 3,562.92 : x
  2. Step 2: Convert to fraction form
    12,328.06/18,495.20 = 3,562.92/x
  3. Step 3: Cross multiply
    12,328.06x = 18,495.20 × 3,562.92
  4. Step 4: Simplify right side
    12,328.06x = 65,896,917.98
  5. Step 5: Solve for x
    x = 65,896,917.98/12,328.06
  6. Step 6: Final answer
    x = 5,345.28

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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.