Home / 9,051.62-13,579.47-4,891.55

Finding the Fourth Proportional to 9,051.62, 13,579.47 and 4,891.55

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Solution

The fourth proportional to 9,051.62, 13,579.47 and 4,891.55 is: 7,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.62 : 13,579.47 = 4,891.55 : x
  2. Step 2: Convert to fraction form
    9,051.62/13,579.47 = 4,891.55/x
  3. Step 3: Cross multiply
    9,051.62x = 13,579.47 × 4,891.55
  4. Step 4: Simplify right side
    9,051.62x = 66,424,588.58
  5. Step 5: Solve for x
    x = 66,424,588.58/9,051.62
  6. Step 6: Final answer
    x = 7,338.42

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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.