Home / 8,476.55-11,699.61-5,644.05

Finding the Fourth Proportional to 8,476.55, 11,699.61 and 5,644.05

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Solution

The fourth proportional to 8,476.55, 11,699.61 and 5,644.05 is: 7,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.55 : 11,699.61 = 5,644.05 : x
  2. Step 2: Convert to fraction form
    8,476.55/11,699.61 = 5,644.05/x
  3. Step 3: Cross multiply
    8,476.55x = 11,699.61 × 5,644.05
  4. Step 4: Simplify right side
    8,476.55x = 66,033,118.78
  5. Step 5: Solve for x
    x = 66,033,118.78/8,476.55
  6. Step 6: Final answer
    x = 7,790.09

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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.