Home / 8,235.09-12,352.95-2,391.75

Finding the Fourth Proportional to 8,235.09, 12,352.95 and 2,391.75

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Solution

The fourth proportional to 8,235.09, 12,352.95 and 2,391.75 is: 3,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.09 : 12,352.95 = 2,391.75 : x
  2. Step 2: Convert to fraction form
    8,235.09/12,352.95 = 2,391.75/x
  3. Step 3: Cross multiply
    8,235.09x = 12,352.95 × 2,391.75
  4. Step 4: Simplify right side
    8,235.09x = 29,545,168.16
  5. Step 5: Solve for x
    x = 29,545,168.16/8,235.09
  6. Step 6: Final answer
    x = 3,587.72

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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.