Home / 11,533.28-15,917.44-6,497.76

Finding the Fourth Proportional to 11,533.28, 15,917.44 and 6,497.76

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Solution

The fourth proportional to 11,533.28, 15,917.44 and 6,497.76 is: 8,967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,533.28 : 15,917.44 = 6,497.76 : x
  2. Step 2: Convert to fraction form
    11,533.28/15,917.44 = 6,497.76/x
  3. Step 3: Cross multiply
    11,533.28x = 15,917.44 × 6,497.76
  4. Step 4: Simplify right side
    11,533.28x = 103,427,704.93
  5. Step 5: Solve for x
    x = 103,427,704.93/11,533.28
  6. Step 6: Final answer
    x = 8,967.76

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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.