Home / 11,290.76-16,948.20-9,556.94

Finding the Fourth Proportional to 11,290.76, 16,948.20 and 9,556.94

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Solution

The fourth proportional to 11,290.76, 16,948.20 and 9,556.94 is: 14,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.76 : 16,948.20 = 9,556.94 : x
  2. Step 2: Convert to fraction form
    11,290.76/16,948.20 = 9,556.94/x
  3. Step 3: Cross multiply
    11,290.76x = 16,948.20 × 9,556.94
  4. Step 4: Simplify right side
    11,290.76x = 161,972,930.51
  5. Step 5: Solve for x
    x = 161,972,930.51/11,290.76
  6. Step 6: Final answer
    x = 14,345.62

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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.