Home / 12,933.28-17,849.27-7,268.55

Finding the Fourth Proportional to 12,933.28, 17,849.27 and 7,268.55

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Solution

The fourth proportional to 12,933.28, 17,849.27 and 7,268.55 is: 10,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.28 : 17,849.27 = 7,268.55 : x
  2. Step 2: Convert to fraction form
    12,933.28/17,849.27 = 7,268.55/x
  3. Step 3: Cross multiply
    12,933.28x = 17,849.27 × 7,268.55
  4. Step 4: Simplify right side
    12,933.28x = 129,738,311.46
  5. Step 5: Solve for x
    x = 129,738,311.46/12,933.28
  6. Step 6: Final answer
    x = 10,031.35

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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.