Home / 12,664.08-17,474.40-7,356.96

Finding the Fourth Proportional to 12,664.08, 17,474.40 and 7,356.96

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Solution

The fourth proportional to 12,664.08, 17,474.40 and 7,356.96 is: 10,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.08 : 17,474.40 = 7,356.96 : x
  2. Step 2: Convert to fraction form
    12,664.08/17,474.40 = 7,356.96/x
  3. Step 3: Cross multiply
    12,664.08x = 17,474.40 × 7,356.96
  4. Step 4: Simplify right side
    12,664.08x = 128,558,461.82
  5. Step 5: Solve for x
    x = 128,558,461.82/12,664.08
  6. Step 6: Final answer
    x = 10,151.43

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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.