Home / 8,453.20-11,666.10-4,676.72

Finding the Fourth Proportional to 8,453.20, 11,666.10 and 4,676.72

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Solution

The fourth proportional to 8,453.20, 11,666.10 and 4,676.72 is: 6,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.20 : 11,666.10 = 4,676.72 : x
  2. Step 2: Convert to fraction form
    8,453.20/11,666.10 = 4,676.72/x
  3. Step 3: Cross multiply
    8,453.20x = 11,666.10 × 4,676.72
  4. Step 4: Simplify right side
    8,453.20x = 54,559,083.19
  5. Step 5: Solve for x
    x = 54,559,083.19/8,453.20
  6. Step 6: Final answer
    x = 6,454.25

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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.