Home / 11,817.48-17,730.28-4,031.76

Finding the Fourth Proportional to 11,817.48, 17,730.28 and 4,031.76

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Solution

The fourth proportional to 11,817.48, 17,730.28 and 4,031.76 is: 6,049.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.48 : 17,730.28 = 4,031.76 : x
  2. Step 2: Convert to fraction form
    11,817.48/17,730.28 = 4,031.76/x
  3. Step 3: Cross multiply
    11,817.48x = 17,730.28 × 4,031.76
  4. Step 4: Simplify right side
    11,817.48x = 71,484,233.69
  5. Step 5: Solve for x
    x = 71,484,233.69/11,817.48
  6. Step 6: Final answer
    x = 6,049.03

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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.