Home / 11,427.30-17,143.53-4,031.84

Finding the Fourth Proportional to 11,427.30, 17,143.53 and 4,031.84

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Solution

The fourth proportional to 11,427.30, 17,143.53 and 4,031.84 is: 6,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.30 : 17,143.53 = 4,031.84 : x
  2. Step 2: Convert to fraction form
    11,427.30/17,143.53 = 4,031.84/x
  3. Step 3: Cross multiply
    11,427.30x = 17,143.53 × 4,031.84
  4. Step 4: Simplify right side
    11,427.30x = 69,119,884.28
  5. Step 5: Solve for x
    x = 69,119,884.28/11,427.30
  6. Step 6: Final answer
    x = 6,048.66

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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.