Home / 8,634.71-11,916.26-4,858.05

Finding the Fourth Proportional to 8,634.71, 11,916.26 and 4,858.05

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Solution

The fourth proportional to 8,634.71, 11,916.26 and 4,858.05 is: 6,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.71 : 11,916.26 = 4,858.05 : x
  2. Step 2: Convert to fraction form
    8,634.71/11,916.26 = 4,858.05/x
  3. Step 3: Cross multiply
    8,634.71x = 11,916.26 × 4,858.05
  4. Step 4: Simplify right side
    8,634.71x = 57,889,762.60
  5. Step 5: Solve for x
    x = 57,889,762.60/8,634.71
  6. Step 6: Final answer
    x = 6,704.31

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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.