Home / 12,701.90-17,529.26-7,666.04

Finding the Fourth Proportional to 12,701.90, 17,529.26 and 7,666.04

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Solution

The fourth proportional to 12,701.90, 17,529.26 and 7,666.04 is: 10,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.90 : 17,529.26 = 7,666.04 : x
  2. Step 2: Convert to fraction form
    12,701.90/17,529.26 = 7,666.04/x
  3. Step 3: Cross multiply
    12,701.90x = 17,529.26 × 7,666.04
  4. Step 4: Simplify right side
    12,701.90x = 134,380,013.82
  5. Step 5: Solve for x
    x = 134,380,013.82/12,701.90
  6. Step 6: Final answer
    x = 10,579.52

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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.