Home / 11,609.75-16,021.49-6,304.45

Finding the Fourth Proportional to 11,609.75, 16,021.49 and 6,304.45

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Solution

The fourth proportional to 11,609.75, 16,021.49 and 6,304.45 is: 8,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.75 : 16,021.49 = 6,304.45 : x
  2. Step 2: Convert to fraction form
    11,609.75/16,021.49 = 6,304.45/x
  3. Step 3: Cross multiply
    11,609.75x = 16,021.49 × 6,304.45
  4. Step 4: Simplify right side
    11,609.75x = 101,006,682.63
  5. Step 5: Solve for x
    x = 101,006,682.63/11,609.75
  6. Step 6: Final answer
    x = 8,700.16

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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.