Home / 10,568.04-15,851.70-3,172.20

Finding the Fourth Proportional to 10,568.04, 15,851.70 and 3,172.20

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Solution

The fourth proportional to 10,568.04, 15,851.70 and 3,172.20 is: 4,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.04 : 15,851.70 = 3,172.20 : x
  2. Step 2: Convert to fraction form
    10,568.04/15,851.70 = 3,172.20/x
  3. Step 3: Cross multiply
    10,568.04x = 15,851.70 × 3,172.20
  4. Step 4: Simplify right side
    10,568.04x = 50,284,762.74
  5. Step 5: Solve for x
    x = 50,284,762.74/10,568.04
  6. Step 6: Final answer
    x = 4,758.19

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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.