Home / 11,929.06-16,465.44-7,450.30

Finding the Fourth Proportional to 11,929.06, 16,465.44 and 7,450.30

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Solution

The fourth proportional to 11,929.06, 16,465.44 and 7,450.30 is: 10,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.06 : 16,465.44 = 7,450.30 : x
  2. Step 2: Convert to fraction form
    11,929.06/16,465.44 = 7,450.30/x
  3. Step 3: Cross multiply
    11,929.06x = 16,465.44 × 7,450.30
  4. Step 4: Simplify right side
    11,929.06x = 122,672,467.63
  5. Step 5: Solve for x
    x = 122,672,467.63/11,929.06
  6. Step 6: Final answer
    x = 10,283.50

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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.