Home / 9,827.62-13,561.40-5,579.44

Finding the Fourth Proportional to 9,827.62, 13,561.40 and 5,579.44

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Solution

The fourth proportional to 9,827.62, 13,561.40 and 5,579.44 is: 7,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,827.62 : 13,561.40 = 5,579.44 : x
  2. Step 2: Convert to fraction form
    9,827.62/13,561.40 = 5,579.44/x
  3. Step 3: Cross multiply
    9,827.62x = 13,561.40 × 5,579.44
  4. Step 4: Simplify right side
    9,827.62x = 75,665,017.62
  5. Step 5: Solve for x
    x = 75,665,017.62/9,827.62
  6. Step 6: Final answer
    x = 7,699.22

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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.