Home / 10,568.40-15,852.60-3,172.92

Finding the Fourth Proportional to 10,568.40, 15,852.60 and 3,172.92

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Solution

The fourth proportional to 10,568.40, 15,852.60 and 3,172.92 is: 4,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.40 : 15,852.60 = 3,172.92 : x
  2. Step 2: Convert to fraction form
    10,568.40/15,852.60 = 3,172.92/x
  3. Step 3: Cross multiply
    10,568.40x = 15,852.60 × 3,172.92
  4. Step 4: Simplify right side
    10,568.40x = 50,299,031.59
  5. Step 5: Solve for x
    x = 50,299,031.59/10,568.40
  6. Step 6: Final answer
    x = 4,759.38

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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.