Home / 8,634.08-11,914.80-4,857.68

Finding the Fourth Proportional to 8,634.08, 11,914.80 and 4,857.68

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Solution

The fourth proportional to 8,634.08, 11,914.80 and 4,857.68 is: 6,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.08 : 11,914.80 = 4,857.68 : x
  2. Step 2: Convert to fraction form
    8,634.08/11,914.80 = 4,857.68/x
  3. Step 3: Cross multiply
    8,634.08x = 11,914.80 × 4,857.68
  4. Step 4: Simplify right side
    8,634.08x = 57,878,285.66
  5. Step 5: Solve for x
    x = 57,878,285.66/8,634.08
  6. Step 6: Final answer
    x = 6,703.47

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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.