Home / 8,269.80-11,412.09-4,732.89

Finding the Fourth Proportional to 8,269.80, 11,412.09 and 4,732.89

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Solution

The fourth proportional to 8,269.80, 11,412.09 and 4,732.89 is: 6,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.80 : 11,412.09 = 4,732.89 : x
  2. Step 2: Convert to fraction form
    8,269.80/11,412.09 = 4,732.89/x
  3. Step 3: Cross multiply
    8,269.80x = 11,412.09 × 4,732.89
  4. Step 4: Simplify right side
    8,269.80x = 54,012,166.64
  5. Step 5: Solve for x
    x = 54,012,166.64/8,269.80
  6. Step 6: Final answer
    x = 6,531.25

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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.