Home / 11,981.39-16,533.60-6,675.26

Finding the Fourth Proportional to 11,981.39, 16,533.60 and 6,675.26

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Solution

The fourth proportional to 11,981.39, 16,533.60 and 6,675.26 is: 9,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.39 : 16,533.60 = 6,675.26 : x
  2. Step 2: Convert to fraction form
    11,981.39/16,533.60 = 6,675.26/x
  3. Step 3: Cross multiply
    11,981.39x = 16,533.60 × 6,675.26
  4. Step 4: Simplify right side
    11,981.39x = 110,366,078.74
  5. Step 5: Solve for x
    x = 110,366,078.74/11,981.39
  6. Step 6: Final answer
    x = 9,211.46

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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.