Home / 11,259.14-16,879.60-4,690.26

Finding the Fourth Proportional to 11,259.14, 16,879.60 and 4,690.26

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Solution

The fourth proportional to 11,259.14, 16,879.60 and 4,690.26 is: 7,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.14 : 16,879.60 = 4,690.26 : x
  2. Step 2: Convert to fraction form
    11,259.14/16,879.60 = 4,690.26/x
  3. Step 3: Cross multiply
    11,259.14x = 16,879.60 × 4,690.26
  4. Step 4: Simplify right side
    11,259.14x = 79,169,712.70
  5. Step 5: Solve for x
    x = 79,169,712.70/11,259.14
  6. Step 6: Final answer
    x = 7,031.60

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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.