Home / 11,011.41-15,190.79-6,535.35

Finding the Fourth Proportional to 11,011.41, 15,190.79 and 6,535.35

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Solution

The fourth proportional to 11,011.41, 15,190.79 and 6,535.35 is: 9,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.41 : 15,190.79 = 6,535.35 : x
  2. Step 2: Convert to fraction form
    11,011.41/15,190.79 = 6,535.35/x
  3. Step 3: Cross multiply
    11,011.41x = 15,190.79 × 6,535.35
  4. Step 4: Simplify right side
    11,011.41x = 99,277,096.75
  5. Step 5: Solve for x
    x = 99,277,096.75/11,011.41
  6. Step 6: Final answer
    x = 9,015.84

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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.