Home / 9,331.94-12,878.04-5,352.98

Finding the Fourth Proportional to 9,331.94, 12,878.04 and 5,352.98

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Solution

The fourth proportional to 9,331.94, 12,878.04 and 5,352.98 is: 7,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.94 : 12,878.04 = 5,352.98 : x
  2. Step 2: Convert to fraction form
    9,331.94/12,878.04 = 5,352.98/x
  3. Step 3: Cross multiply
    9,331.94x = 12,878.04 × 5,352.98
  4. Step 4: Simplify right side
    9,331.94x = 68,935,846.24
  5. Step 5: Solve for x
    x = 68,935,846.24/9,331.94
  6. Step 6: Final answer
    x = 7,387.08

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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.