Home / 9,336.21-13,900.66-9,205.45

Finding the Fourth Proportional to 9,336.21, 13,900.66 and 9,205.45

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Solution

The fourth proportional to 9,336.21, 13,900.66 and 9,205.45 is: 13,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.21 : 13,900.66 = 9,205.45 : x
  2. Step 2: Convert to fraction form
    9,336.21/13,900.66 = 9,205.45/x
  3. Step 3: Cross multiply
    9,336.21x = 13,900.66 × 9,205.45
  4. Step 4: Simplify right side
    9,336.21x = 127,961,824.61
  5. Step 5: Solve for x
    x = 127,961,824.61/9,336.21
  6. Step 6: Final answer
    x = 13,705.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.