Home / 9,055.55-13,578.87-3,788.97

Finding the Fourth Proportional to 9,055.55, 13,578.87 and 3,788.97

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Solution

The fourth proportional to 9,055.55, 13,578.87 and 3,788.97 is: 5,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.55 : 13,578.87 = 3,788.97 : x
  2. Step 2: Convert to fraction form
    9,055.55/13,578.87 = 3,788.97/x
  3. Step 3: Cross multiply
    9,055.55x = 13,578.87 × 3,788.97
  4. Step 4: Simplify right side
    9,055.55x = 51,449,931.06
  5. Step 5: Solve for x
    x = 51,449,931.06/9,055.55
  6. Step 6: Final answer
    x = 5,681.59

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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.