Home / 6,275.22-9,412.62-2,115.16

Finding the Fourth Proportional to 6,275.22, 9,412.62 and 2,115.16

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Solution

The fourth proportional to 6,275.22, 9,412.62 and 2,115.16 is: 3,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.22 : 9,412.62 = 2,115.16 : x
  2. Step 2: Convert to fraction form
    6,275.22/9,412.62 = 2,115.16/x
  3. Step 3: Cross multiply
    6,275.22x = 9,412.62 × 2,115.16
  4. Step 4: Simplify right side
    6,275.22x = 19,909,197.32
  5. Step 5: Solve for x
    x = 19,909,197.32/6,275.22
  6. Step 6: Final answer
    x = 3,172.67

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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.