Home / 12,442.44-18,668.79-5,045.04

Finding the Fourth Proportional to 12,442.44, 18,668.79 and 5,045.04

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Solution

The fourth proportional to 12,442.44, 18,668.79 and 5,045.04 is: 7,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.44 : 18,668.79 = 5,045.04 : x
  2. Step 2: Convert to fraction form
    12,442.44/18,668.79 = 5,045.04/x
  3. Step 3: Cross multiply
    12,442.44x = 18,668.79 × 5,045.04
  4. Step 4: Simplify right side
    12,442.44x = 94,184,792.30
  5. Step 5: Solve for x
    x = 94,184,792.30/12,442.44
  6. Step 6: Final answer
    x = 7,569.64

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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.