Home / 9,078.39-13,607.06-6,110.55

Finding the Fourth Proportional to 9,078.39, 13,607.06 and 6,110.55

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Solution

The fourth proportional to 9,078.39, 13,607.06 and 6,110.55 is: 9,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.39 : 13,607.06 = 6,110.55 : x
  2. Step 2: Convert to fraction form
    9,078.39/13,607.06 = 6,110.55/x
  3. Step 3: Cross multiply
    9,078.39x = 13,607.06 × 6,110.55
  4. Step 4: Simplify right side
    9,078.39x = 83,146,589.93
  5. Step 5: Solve for x
    x = 83,146,589.93/9,078.39
  6. Step 6: Final answer
    x = 9,158.74

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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.