Home / 11,075.84-16,616.32-4,921.60

Finding the Fourth Proportional to 11,075.84, 16,616.32 and 4,921.60

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Solution

The fourth proportional to 11,075.84, 16,616.32 and 4,921.60 is: 7,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.84 : 16,616.32 = 4,921.60 : x
  2. Step 2: Convert to fraction form
    11,075.84/16,616.32 = 4,921.60/x
  3. Step 3: Cross multiply
    11,075.84x = 16,616.32 × 4,921.60
  4. Step 4: Simplify right side
    11,075.84x = 81,778,880.51
  5. Step 5: Solve for x
    x = 81,778,880.51/11,075.84
  6. Step 6: Final answer
    x = 7,383.54

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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.