Home / 11,441.32-15,778.19-7,460.98

Finding the Fourth Proportional to 11,441.32, 15,778.19 and 7,460.98

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Solution

The fourth proportional to 11,441.32, 15,778.19 and 7,460.98 is: 10,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.32 : 15,778.19 = 7,460.98 : x
  2. Step 2: Convert to fraction form
    11,441.32/15,778.19 = 7,460.98/x
  3. Step 3: Cross multiply
    11,441.32x = 15,778.19 × 7,460.98
  4. Step 4: Simplify right side
    11,441.32x = 117,720,739.23
  5. Step 5: Solve for x
    x = 117,720,739.23/11,441.32
  6. Step 6: Final answer
    x = 10,289.09

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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.