Home / 12,248.07-16,907.49-8,274.54

Finding the Fourth Proportional to 12,248.07, 16,907.49 and 8,274.54

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Solution

The fourth proportional to 12,248.07, 16,907.49 and 8,274.54 is: 11,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.07 : 16,907.49 = 8,274.54 : x
  2. Step 2: Convert to fraction form
    12,248.07/16,907.49 = 8,274.54/x
  3. Step 3: Cross multiply
    12,248.07x = 16,907.49 × 8,274.54
  4. Step 4: Simplify right side
    12,248.07x = 139,901,702.30
  5. Step 5: Solve for x
    x = 139,901,702.30/12,248.07
  6. Step 6: Final answer
    x = 11,422.35

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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.