Home / 10,308.50-15,465.39-3,383.06

Finding the Fourth Proportional to 10,308.50, 15,465.39 and 3,383.06

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Solution

The fourth proportional to 10,308.50, 15,465.39 and 3,383.06 is: 5,075.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.50 : 15,465.39 = 3,383.06 : x
  2. Step 2: Convert to fraction form
    10,308.50/15,465.39 = 3,383.06/x
  3. Step 3: Cross multiply
    10,308.50x = 15,465.39 × 3,383.06
  4. Step 4: Simplify right side
    10,308.50x = 52,320,342.29
  5. Step 5: Solve for x
    x = 52,320,342.29/10,308.50
  6. Step 6: Final answer
    x = 5,075.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.