Home / 7,632.18-11,445.62-3,629.08

Finding the Fourth Proportional to 7,632.18, 11,445.62 and 3,629.08

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Solution

The fourth proportional to 7,632.18, 11,445.62 and 3,629.08 is: 5,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.18 : 11,445.62 = 3,629.08 : x
  2. Step 2: Convert to fraction form
    7,632.18/11,445.62 = 3,629.08/x
  3. Step 3: Cross multiply
    7,632.18x = 11,445.62 × 3,629.08
  4. Step 4: Simplify right side
    7,632.18x = 41,537,070.63
  5. Step 5: Solve for x
    x = 41,537,070.63/7,632.18
  6. Step 6: Final answer
    x = 5,442.36

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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.