Home / 11,840.28-16,345.52-7,365.48

Finding the Fourth Proportional to 11,840.28, 16,345.52 and 7,365.48

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Solution

The fourth proportional to 11,840.28, 16,345.52 and 7,365.48 is: 10,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.28 : 16,345.52 = 7,365.48 : x
  2. Step 2: Convert to fraction form
    11,840.28/16,345.52 = 7,365.48/x
  3. Step 3: Cross multiply
    11,840.28x = 16,345.52 × 7,365.48
  4. Step 4: Simplify right side
    11,840.28x = 120,392,600.65
  5. Step 5: Solve for x
    x = 120,392,600.65/11,840.28
  6. Step 6: Final answer
    x = 10,168.05

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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.