Home / 11,288.64-15,574.48-6,571.92

Finding the Fourth Proportional to 11,288.64, 15,574.48 and 6,571.92

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Solution

The fourth proportional to 11,288.64, 15,574.48 and 6,571.92 is: 9,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.64 : 15,574.48 = 6,571.92 : x
  2. Step 2: Convert to fraction form
    11,288.64/15,574.48 = 6,571.92/x
  3. Step 3: Cross multiply
    11,288.64x = 15,574.48 × 6,571.92
  4. Step 4: Simplify right side
    11,288.64x = 102,354,236.60
  5. Step 5: Solve for x
    x = 102,354,236.60/11,288.64
  6. Step 6: Final answer
    x = 9,067.01

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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.