Home / 8,675.71-11,972.51-4,696.79

Finding the Fourth Proportional to 8,675.71, 11,972.51 and 4,696.79

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Solution

The fourth proportional to 8,675.71, 11,972.51 and 4,696.79 is: 6,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.71 : 11,972.51 = 4,696.79 : x
  2. Step 2: Convert to fraction form
    8,675.71/11,972.51 = 4,696.79/x
  3. Step 3: Cross multiply
    8,675.71x = 11,972.51 × 4,696.79
  4. Step 4: Simplify right side
    8,675.71x = 56,232,299.51
  5. Step 5: Solve for x
    x = 56,232,299.51/8,675.71
  6. Step 6: Final answer
    x = 6,481.58

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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.