Home / 11,389.38-17,079.96-4,816.08

Finding the Fourth Proportional to 11,389.38, 17,079.96 and 4,816.08

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Solution

The fourth proportional to 11,389.38, 17,079.96 and 4,816.08 is: 7,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.38 : 17,079.96 = 4,816.08 : x
  2. Step 2: Convert to fraction form
    11,389.38/17,079.96 = 4,816.08/x
  3. Step 3: Cross multiply
    11,389.38x = 17,079.96 × 4,816.08
  4. Step 4: Simplify right side
    11,389.38x = 82,258,453.76
  5. Step 5: Solve for x
    x = 82,258,453.76/11,389.38
  6. Step 6: Final answer
    x = 7,222.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.