Home / 11,704.08-17,555.42-5,130.30

Finding the Fourth Proportional to 11,704.08, 17,555.42 and 5,130.30

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Solution

The fourth proportional to 11,704.08, 17,555.42 and 5,130.30 is: 7,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.08 : 17,555.42 = 5,130.30 : x
  2. Step 2: Convert to fraction form
    11,704.08/17,555.42 = 5,130.30/x
  3. Step 3: Cross multiply
    11,704.08x = 17,555.42 × 5,130.30
  4. Step 4: Simplify right side
    11,704.08x = 90,064,571.23
  5. Step 5: Solve for x
    x = 90,064,571.23/11,704.08
  6. Step 6: Final answer
    x = 7,695.14

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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.