Home / 8,634.60-11,916.36-4,858.14

Finding the Fourth Proportional to 8,634.60, 11,916.36 and 4,858.14

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Solution

The fourth proportional to 8,634.60, 11,916.36 and 4,858.14 is: 6,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.60 : 11,916.36 = 4,858.14 : x
  2. Step 2: Convert to fraction form
    8,634.60/11,916.36 = 4,858.14/x
  3. Step 3: Cross multiply
    8,634.60x = 11,916.36 × 4,858.14
  4. Step 4: Simplify right side
    8,634.60x = 57,891,345.17
  5. Step 5: Solve for x
    x = 57,891,345.17/8,634.60
  6. Step 6: Final answer
    x = 6,704.58

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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.