Home / 8,519.29-11,757.73-4,886.76

Finding the Fourth Proportional to 8,519.29, 11,757.73 and 4,886.76

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Solution

The fourth proportional to 8,519.29, 11,757.73 and 4,886.76 is: 6,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.29 : 11,757.73 = 4,886.76 : x
  2. Step 2: Convert to fraction form
    8,519.29/11,757.73 = 4,886.76/x
  3. Step 3: Cross multiply
    8,519.29x = 11,757.73 × 4,886.76
  4. Step 4: Simplify right side
    8,519.29x = 57,457,152.64
  5. Step 5: Solve for x
    x = 57,457,152.64/8,519.29
  6. Step 6: Final answer
    x = 6,744.36

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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.