Home / 7,391.36-11,087.21-2,461.40

Finding the Fourth Proportional to 7,391.36, 11,087.21 and 2,461.40

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Solution

The fourth proportional to 7,391.36, 11,087.21 and 2,461.40 is: 3,692.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.36 : 11,087.21 = 2,461.40 : x
  2. Step 2: Convert to fraction form
    7,391.36/11,087.21 = 2,461.40/x
  3. Step 3: Cross multiply
    7,391.36x = 11,087.21 × 2,461.40
  4. Step 4: Simplify right side
    7,391.36x = 27,290,058.69
  5. Step 5: Solve for x
    x = 27,290,058.69/7,391.36
  6. Step 6: Final answer
    x = 3,692.16

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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.