Home / 8,305.03-12,455.40-2,460.27

Finding the Fourth Proportional to 8,305.03, 12,455.40 and 2,460.27

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Solution

The fourth proportional to 8,305.03, 12,455.40 and 2,460.27 is: 3,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.03 : 12,455.40 = 2,460.27 : x
  2. Step 2: Convert to fraction form
    8,305.03/12,455.40 = 2,460.27/x
  3. Step 3: Cross multiply
    8,305.03x = 12,455.40 × 2,460.27
  4. Step 4: Simplify right side
    8,305.03x = 30,643,702.89
  5. Step 5: Solve for x
    x = 30,643,702.89/8,305.03
  6. Step 6: Final answer
    x = 3,689.78

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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.