Home / 8,464.29-11,680.65-4,877.94

Finding the Fourth Proportional to 8,464.29, 11,680.65 and 4,877.94

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Solution

The fourth proportional to 8,464.29, 11,680.65 and 4,877.94 is: 6,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.29 : 11,680.65 = 4,877.94 : x
  2. Step 2: Convert to fraction form
    8,464.29/11,680.65 = 4,877.94/x
  3. Step 3: Cross multiply
    8,464.29x = 11,680.65 × 4,877.94
  4. Step 4: Simplify right side
    8,464.29x = 56,977,571.96
  5. Step 5: Solve for x
    x = 56,977,571.96/8,464.29
  6. Step 6: Final answer
    x = 6,731.52

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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.