Home / 9,676.90-14,515.35-3,103.60

Finding the Fourth Proportional to 9,676.90, 14,515.35 and 3,103.60

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Solution

The fourth proportional to 9,676.90, 14,515.35 and 3,103.60 is: 4,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.90 : 14,515.35 = 3,103.60 : x
  2. Step 2: Convert to fraction form
    9,676.90/14,515.35 = 3,103.60/x
  3. Step 3: Cross multiply
    9,676.90x = 14,515.35 × 3,103.60
  4. Step 4: Simplify right side
    9,676.90x = 45,049,837.01
  5. Step 5: Solve for x
    x = 45,049,837.01/9,676.90
  6. Step 6: Final answer
    x = 4,655.40

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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.