Home / 12,933.72-19,393.56-4,166.28

Finding the Fourth Proportional to 12,933.72, 19,393.56 and 4,166.28

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Solution

The fourth proportional to 12,933.72, 19,393.56 and 4,166.28 is: 6,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.72 : 19,393.56 = 4,166.28 : x
  2. Step 2: Convert to fraction form
    12,933.72/19,393.56 = 4,166.28/x
  3. Step 3: Cross multiply
    12,933.72x = 19,393.56 × 4,166.28
  4. Step 4: Simplify right side
    12,933.72x = 80,799,001.16
  5. Step 5: Solve for x
    x = 80,799,001.16/12,933.72
  6. Step 6: Final answer
    x = 6,247.16

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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.