Home / 10,858.13-14,984.49-6,078.04

Finding the Fourth Proportional to 10,858.13, 14,984.49 and 6,078.04

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Solution

The fourth proportional to 10,858.13, 14,984.49 and 6,078.04 is: 8,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.13 : 14,984.49 = 6,078.04 : x
  2. Step 2: Convert to fraction form
    10,858.13/14,984.49 = 6,078.04/x
  3. Step 3: Cross multiply
    10,858.13x = 14,984.49 × 6,078.04
  4. Step 4: Simplify right side
    10,858.13x = 91,076,329.60
  5. Step 5: Solve for x
    x = 91,076,329.60/10,858.13
  6. Step 6: Final answer
    x = 8,387.85

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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.