Home / 9,130.16-13,692.36-2,555.84

Finding the Fourth Proportional to 9,130.16, 13,692.36 and 2,555.84

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Solution

The fourth proportional to 9,130.16, 13,692.36 and 2,555.84 is: 3,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.16 : 13,692.36 = 2,555.84 : x
  2. Step 2: Convert to fraction form
    9,130.16/13,692.36 = 2,555.84/x
  3. Step 3: Cross multiply
    9,130.16x = 13,692.36 × 2,555.84
  4. Step 4: Simplify right side
    9,130.16x = 34,995,481.38
  5. Step 5: Solve for x
    x = 34,995,481.38/9,130.16
  6. Step 6: Final answer
    x = 3,832.95

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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.