Home / 11,211.54-15,468.23-7,235.30

Finding the Fourth Proportional to 11,211.54, 15,468.23 and 7,235.30

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Solution

The fourth proportional to 11,211.54, 15,468.23 and 7,235.30 is: 9,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.54 : 15,468.23 = 7,235.30 : x
  2. Step 2: Convert to fraction form
    11,211.54/15,468.23 = 7,235.30/x
  3. Step 3: Cross multiply
    11,211.54x = 15,468.23 × 7,235.30
  4. Step 4: Simplify right side
    11,211.54x = 111,917,171.00
  5. Step 5: Solve for x
    x = 111,917,171.00/11,211.54
  6. Step 6: Final answer
    x = 9,982.32

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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.