Home / 11,228.08-15,496.19-9,336.41

Finding the Fourth Proportional to 11,228.08, 15,496.19 and 9,336.41

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Solution

The fourth proportional to 11,228.08, 15,496.19 and 9,336.41 is: 12,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.08 : 15,496.19 = 9,336.41 : x
  2. Step 2: Convert to fraction form
    11,228.08/15,496.19 = 9,336.41/x
  3. Step 3: Cross multiply
    11,228.08x = 15,496.19 × 9,336.41
  4. Step 4: Simplify right side
    11,228.08x = 144,678,783.28
  5. Step 5: Solve for x
    x = 144,678,783.28/11,228.08
  6. Step 6: Final answer
    x = 12,885.44

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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.