Home / 10,354.49-14,289.37-5,878.37

Finding the Fourth Proportional to 10,354.49, 14,289.37 and 5,878.37

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Solution

The fourth proportional to 10,354.49, 14,289.37 and 5,878.37 is: 8,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.49 : 14,289.37 = 5,878.37 : x
  2. Step 2: Convert to fraction form
    10,354.49/14,289.37 = 5,878.37/x
  3. Step 3: Cross multiply
    10,354.49x = 14,289.37 × 5,878.37
  4. Step 4: Simplify right side
    10,354.49x = 83,998,174.54
  5. Step 5: Solve for x
    x = 83,998,174.54/10,354.49
  6. Step 6: Final answer
    x = 8,112.25

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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.