Home / 9,055.45-13,546.72-7,836.40

Finding the Fourth Proportional to 9,055.45, 13,546.72 and 7,836.40

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Solution

The fourth proportional to 9,055.45, 13,546.72 and 7,836.40 is: 11,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.45 : 13,546.72 = 7,836.40 : x
  2. Step 2: Convert to fraction form
    9,055.45/13,546.72 = 7,836.40/x
  3. Step 3: Cross multiply
    9,055.45x = 13,546.72 × 7,836.40
  4. Step 4: Simplify right side
    9,055.45x = 106,157,516.61
  5. Step 5: Solve for x
    x = 106,157,516.61/9,055.45
  6. Step 6: Final answer
    x = 11,723.05

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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.