Home / 10,148.57-15,222.33-3,574.80

Finding the Fourth Proportional to 10,148.57, 15,222.33 and 3,574.80

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Solution

The fourth proportional to 10,148.57, 15,222.33 and 3,574.80 is: 5,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.57 : 15,222.33 = 3,574.80 : x
  2. Step 2: Convert to fraction form
    10,148.57/15,222.33 = 3,574.80/x
  3. Step 3: Cross multiply
    10,148.57x = 15,222.33 × 3,574.80
  4. Step 4: Simplify right side
    10,148.57x = 54,416,785.28
  5. Step 5: Solve for x
    x = 54,416,785.28/10,148.57
  6. Step 6: Final answer
    x = 5,362.02

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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.