Home / 7,925.88-11,877.09-3,240.23

Finding the Fourth Proportional to 7,925.88, 11,877.09 and 3,240.23

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Solution

The fourth proportional to 7,925.88, 11,877.09 and 3,240.23 is: 4,855.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.88 : 11,877.09 = 3,240.23 : x
  2. Step 2: Convert to fraction form
    7,925.88/11,877.09 = 3,240.23/x
  3. Step 3: Cross multiply
    7,925.88x = 11,877.09 × 3,240.23
  4. Step 4: Simplify right side
    7,925.88x = 38,484,443.95
  5. Step 5: Solve for x
    x = 38,484,443.95/7,925.88
  6. Step 6: Final answer
    x = 4,855.54

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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.