Home / 13,176.24-18,180.06-8,466.96

Finding the Fourth Proportional to 13,176.24, 18,180.06 and 8,466.96

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Solution

The fourth proportional to 13,176.24, 18,180.06 and 8,466.96 is: 11,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.24 : 18,180.06 = 8,466.96 : x
  2. Step 2: Convert to fraction form
    13,176.24/18,180.06 = 8,466.96/x
  3. Step 3: Cross multiply
    13,176.24x = 18,180.06 × 8,466.96
  4. Step 4: Simplify right side
    13,176.24x = 153,929,840.82
  5. Step 5: Solve for x
    x = 153,929,840.82/13,176.24
  6. Step 6: Final answer
    x = 11,682.38

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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.