Home / 11,292.25-15,590.62-7,260.89

Finding the Fourth Proportional to 11,292.25, 15,590.62 and 7,260.89

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Solution

The fourth proportional to 11,292.25, 15,590.62 and 7,260.89 is: 10,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.25 : 15,590.62 = 7,260.89 : x
  2. Step 2: Convert to fraction form
    11,292.25/15,590.62 = 7,260.89/x
  3. Step 3: Cross multiply
    11,292.25x = 15,590.62 × 7,260.89
  4. Step 4: Simplify right side
    11,292.25x = 113,201,752.83
  5. Step 5: Solve for x
    x = 113,201,752.83/11,292.25
  6. Step 6: Final answer
    x = 10,024.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.