Home / 11,469.65-15,827.18-6,433.19

Finding the Fourth Proportional to 11,469.65, 15,827.18 and 6,433.19

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Solution

The fourth proportional to 11,469.65, 15,827.18 and 6,433.19 is: 8,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.65 : 15,827.18 = 6,433.19 : x
  2. Step 2: Convert to fraction form
    11,469.65/15,827.18 = 6,433.19/x
  3. Step 3: Cross multiply
    11,469.65x = 15,827.18 × 6,433.19
  4. Step 4: Simplify right side
    11,469.65x = 101,819,144.80
  5. Step 5: Solve for x
    x = 101,819,144.80/11,469.65
  6. Step 6: Final answer
    x = 8,877.27

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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.