Home / 11,982.62-18,038.64-10,777.03

Finding the Fourth Proportional to 11,982.62, 18,038.64 and 10,777.03

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Solution

The fourth proportional to 11,982.62, 18,038.64 and 10,777.03 is: 16,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.62 : 18,038.64 = 10,777.03 : x
  2. Step 2: Convert to fraction form
    11,982.62/18,038.64 = 10,777.03/x
  3. Step 3: Cross multiply
    11,982.62x = 18,038.64 × 10,777.03
  4. Step 4: Simplify right side
    11,982.62x = 194,402,910.55
  5. Step 5: Solve for x
    x = 194,402,910.55/11,982.62
  6. Step 6: Final answer
    x = 16,223.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.