Home / 13,174.88-18,179.35-7,510.12

Finding the Fourth Proportional to 13,174.88, 18,179.35 and 7,510.12

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Solution

The fourth proportional to 13,174.88, 18,179.35 and 7,510.12 is: 10,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.88 : 18,179.35 = 7,510.12 : x
  2. Step 2: Convert to fraction form
    13,174.88/18,179.35 = 7,510.12/x
  3. Step 3: Cross multiply
    13,174.88x = 18,179.35 × 7,510.12
  4. Step 4: Simplify right side
    13,174.88x = 136,529,185.16
  5. Step 5: Solve for x
    x = 136,529,185.16/13,174.88
  6. Step 6: Final answer
    x = 10,362.84

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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.