Home / 10,069.84-15,112.05-4,230.28

Finding the Fourth Proportional to 10,069.84, 15,112.05 and 4,230.28

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Solution

The fourth proportional to 10,069.84, 15,112.05 and 4,230.28 is: 6,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.84 : 15,112.05 = 4,230.28 : x
  2. Step 2: Convert to fraction form
    10,069.84/15,112.05 = 4,230.28/x
  3. Step 3: Cross multiply
    10,069.84x = 15,112.05 × 4,230.28
  4. Step 4: Simplify right side
    10,069.84x = 63,928,202.87
  5. Step 5: Solve for x
    x = 63,928,202.87/10,069.84
  6. Step 6: Final answer
    x = 6,348.48

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1.5x scale

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.