Home / 9,261.36-13,878.09-5,559.54

Finding the Fourth Proportional to 9,261.36, 13,878.09 and 5,559.54

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Solution

The fourth proportional to 9,261.36, 13,878.09 and 5,559.54 is: 8,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.36 : 13,878.09 = 5,559.54 : x
  2. Step 2: Convert to fraction form
    9,261.36/13,878.09 = 5,559.54/x
  3. Step 3: Cross multiply
    9,261.36x = 13,878.09 × 5,559.54
  4. Step 4: Simplify right side
    9,261.36x = 77,155,796.48
  5. Step 5: Solve for x
    x = 77,155,796.48/9,261.36
  6. Step 6: Final answer
    x = 8,330.94

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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.