Home / 9,725.94-13,415.98-6,134.55

Finding the Fourth Proportional to 9,725.94, 13,415.98 and 6,134.55

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Solution

The fourth proportional to 9,725.94, 13,415.98 and 6,134.55 is: 8,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.94 : 13,415.98 = 6,134.55 : x
  2. Step 2: Convert to fraction form
    9,725.94/13,415.98 = 6,134.55/x
  3. Step 3: Cross multiply
    9,725.94x = 13,415.98 × 6,134.55
  4. Step 4: Simplify right side
    9,725.94x = 82,301,021.43
  5. Step 5: Solve for x
    x = 82,301,021.43/9,725.94
  6. Step 6: Final answer
    x = 8,462.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.