Home / 10,676.40-16,014.60-5,132.40

Finding the Fourth Proportional to 10,676.40, 16,014.60 and 5,132.40

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Solution

The fourth proportional to 10,676.40, 16,014.60 and 5,132.40 is: 7,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676.40 : 16,014.60 = 5,132.40 : x
  2. Step 2: Convert to fraction form
    10,676.40/16,014.60 = 5,132.40/x
  3. Step 3: Cross multiply
    10,676.40x = 16,014.60 × 5,132.40
  4. Step 4: Simplify right side
    10,676.40x = 82,193,333.04
  5. Step 5: Solve for x
    x = 82,193,333.04/10,676.40
  6. Step 6: Final answer
    x = 7,698.60

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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.