Home / 8,213.48-11,335.38-4,676.60

Finding the Fourth Proportional to 8,213.48, 11,335.38 and 4,676.60

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Solution

The fourth proportional to 8,213.48, 11,335.38 and 4,676.60 is: 6,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.48 : 11,335.38 = 4,676.60 : x
  2. Step 2: Convert to fraction form
    8,213.48/11,335.38 = 4,676.60/x
  3. Step 3: Cross multiply
    8,213.48x = 11,335.38 × 4,676.60
  4. Step 4: Simplify right side
    8,213.48x = 53,011,038.11
  5. Step 5: Solve for x
    x = 53,011,038.11/8,213.48
  6. Step 6: Final answer
    x = 6,454.15

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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.