Home / 11,525.45-17,302.76-7,072.17

Finding the Fourth Proportional to 11,525.45, 17,302.76 and 7,072.17

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Solution

The fourth proportional to 11,525.45, 17,302.76 and 7,072.17 is: 10,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.45 : 17,302.76 = 7,072.17 : x
  2. Step 2: Convert to fraction form
    11,525.45/17,302.76 = 7,072.17/x
  3. Step 3: Cross multiply
    11,525.45x = 17,302.76 × 7,072.17
  4. Step 4: Simplify right side
    11,525.45x = 122,368,024.83
  5. Step 5: Solve for x
    x = 122,368,024.83/11,525.45
  6. Step 6: Final answer
    x = 10,617.21

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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.