Home / 11,980.40-17,973.60-4,585.44

Finding the Fourth Proportional to 11,980.40, 17,973.60 and 4,585.44

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Solution

The fourth proportional to 11,980.40, 17,973.60 and 4,585.44 is: 6,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.40 : 17,973.60 = 4,585.44 : x
  2. Step 2: Convert to fraction form
    11,980.40/17,973.60 = 4,585.44/x
  3. Step 3: Cross multiply
    11,980.40x = 17,973.60 × 4,585.44
  4. Step 4: Simplify right side
    11,980.40x = 82,416,864.38
  5. Step 5: Solve for x
    x = 82,416,864.38/11,980.40
  6. Step 6: Final answer
    x = 6,879.31

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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.