Home / 11,450.94-15,801.80-6,415.18

Finding the Fourth Proportional to 11,450.94, 15,801.80 and 6,415.18

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Solution

The fourth proportional to 11,450.94, 15,801.80 and 6,415.18 is: 8,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.94 : 15,801.80 = 6,415.18 : x
  2. Step 2: Convert to fraction form
    11,450.94/15,801.80 = 6,415.18/x
  3. Step 3: Cross multiply
    11,450.94x = 15,801.80 × 6,415.18
  4. Step 4: Simplify right side
    11,450.94x = 101,371,391.32
  5. Step 5: Solve for x
    x = 101,371,391.32/11,450.94
  6. Step 6: Final answer
    x = 8,852.67

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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.