Home / 11,103.98-16,653.20-3,312.77

Finding the Fourth Proportional to 11,103.98, 16,653.20 and 3,312.77

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Solution

The fourth proportional to 11,103.98, 16,653.20 and 3,312.77 is: 4,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.98 : 16,653.20 = 3,312.77 : x
  2. Step 2: Convert to fraction form
    11,103.98/16,653.20 = 3,312.77/x
  3. Step 3: Cross multiply
    11,103.98x = 16,653.20 × 3,312.77
  4. Step 4: Simplify right side
    11,103.98x = 55,168,121.53
  5. Step 5: Solve for x
    x = 55,168,121.53/11,103.98
  6. Step 6: Final answer
    x = 4,968.32

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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.