Home / 9,122.24-13,644.47-5,603.60

Finding the Fourth Proportional to 9,122.24, 13,644.47 and 5,603.60

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Solution

The fourth proportional to 9,122.24, 13,644.47 and 5,603.60 is: 8,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.24 : 13,644.47 = 5,603.60 : x
  2. Step 2: Convert to fraction form
    9,122.24/13,644.47 = 5,603.60/x
  3. Step 3: Cross multiply
    9,122.24x = 13,644.47 × 5,603.60
  4. Step 4: Simplify right side
    9,122.24x = 76,458,055.85
  5. Step 5: Solve for x
    x = 76,458,055.85/9,122.24
  6. Step 6: Final answer
    x = 8,381.50

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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.