Home / 12,725.01-19,087.85-4,826.05

Finding the Fourth Proportional to 12,725.01, 19,087.85 and 4,826.05

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Solution

The fourth proportional to 12,725.01, 19,087.85 and 4,826.05 is: 7,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.01 : 19,087.85 = 4,826.05 : x
  2. Step 2: Convert to fraction form
    12,725.01/19,087.85 = 4,826.05/x
  3. Step 3: Cross multiply
    12,725.01x = 19,087.85 × 4,826.05
  4. Step 4: Simplify right side
    12,725.01x = 92,118,960.93
  5. Step 5: Solve for x
    x = 92,118,960.93/12,725.01
  6. Step 6: Final answer
    x = 7,239.21

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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.