Home / 11,322.10-16,986.09-4,302.24

Finding the Fourth Proportional to 11,322.10, 16,986.09 and 4,302.24

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Solution

The fourth proportional to 11,322.10, 16,986.09 and 4,302.24 is: 6,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.10 : 16,986.09 = 4,302.24 : x
  2. Step 2: Convert to fraction form
    11,322.10/16,986.09 = 4,302.24/x
  3. Step 3: Cross multiply
    11,322.10x = 16,986.09 × 4,302.24
  4. Step 4: Simplify right side
    11,322.10x = 73,078,235.84
  5. Step 5: Solve for x
    x = 73,078,235.84/11,322.10
  6. Step 6: Final answer
    x = 6,454.48

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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.