Home / 9,110.37-13,651.16-6,878.64

Finding the Fourth Proportional to 9,110.37, 13,651.16 and 6,878.64

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Solution

The fourth proportional to 9,110.37, 13,651.16 and 6,878.64 is: 10,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.37 : 13,651.16 = 6,878.64 : x
  2. Step 2: Convert to fraction form
    9,110.37/13,651.16 = 6,878.64/x
  3. Step 3: Cross multiply
    9,110.37x = 13,651.16 × 6,878.64
  4. Step 4: Simplify right side
    9,110.37x = 93,901,415.22
  5. Step 5: Solve for x
    x = 93,901,415.22/9,110.37
  6. Step 6: Final answer
    x = 10,307.09

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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.