Home / 11,075.93-15,285.69-6,297.37

Finding the Fourth Proportional to 11,075.93, 15,285.69 and 6,297.37

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Solution

The fourth proportional to 11,075.93, 15,285.69 and 6,297.37 is: 8,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.93 : 15,285.69 = 6,297.37 : x
  2. Step 2: Convert to fraction form
    11,075.93/15,285.69 = 6,297.37/x
  3. Step 3: Cross multiply
    11,075.93x = 15,285.69 × 6,297.37
  4. Step 4: Simplify right side
    11,075.93x = 96,259,671.83
  5. Step 5: Solve for x
    x = 96,259,671.83/11,075.93
  6. Step 6: Final answer
    x = 8,690.89

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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.