Home / 11,106.12-15,323.94-6,630.60

Finding the Fourth Proportional to 11,106.12, 15,323.94 and 6,630.60

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Solution

The fourth proportional to 11,106.12, 15,323.94 and 6,630.60 is: 9,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.12 : 15,323.94 = 6,630.60 : x
  2. Step 2: Convert to fraction form
    11,106.12/15,323.94 = 6,630.60/x
  3. Step 3: Cross multiply
    11,106.12x = 15,323.94 × 6,630.60
  4. Step 4: Simplify right side
    11,106.12x = 101,606,916.56
  5. Step 5: Solve for x
    x = 101,606,916.56/11,106.12
  6. Step 6: Final answer
    x = 9,148.73

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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.