Home / 10,570.78-15,852.09-3,173.50

Finding the Fourth Proportional to 10,570.78, 15,852.09 and 3,173.50

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Solution

The fourth proportional to 10,570.78, 15,852.09 and 3,173.50 is: 4,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.78 : 15,852.09 = 3,173.50 : x
  2. Step 2: Convert to fraction form
    10,570.78/15,852.09 = 3,173.50/x
  3. Step 3: Cross multiply
    10,570.78x = 15,852.09 × 3,173.50
  4. Step 4: Simplify right side
    10,570.78x = 50,306,607.62
  5. Step 5: Solve for x
    x = 50,306,607.62/10,570.78
  6. Step 6: Final answer
    x = 4,759.03

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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.