Home / 11,783.14-16,260.32-6,477.92

Finding the Fourth Proportional to 11,783.14, 16,260.32 and 6,477.92

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Solution

The fourth proportional to 11,783.14, 16,260.32 and 6,477.92 is: 8,939.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.14 : 16,260.32 = 6,477.92 : x
  2. Step 2: Convert to fraction form
    11,783.14/16,260.32 = 6,477.92/x
  3. Step 3: Cross multiply
    11,783.14x = 16,260.32 × 6,477.92
  4. Step 4: Simplify right side
    11,783.14x = 105,332,938.44
  5. Step 5: Solve for x
    x = 105,332,938.44/11,783.14
  6. Step 6: Final answer
    x = 8,939.29

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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.