Home / 13,075.62-19,611.36-5,678.09

Finding the Fourth Proportional to 13,075.62, 19,611.36 and 5,678.09

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Solution

The fourth proportional to 13,075.62, 19,611.36 and 5,678.09 is: 8,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.62 : 19,611.36 = 5,678.09 : x
  2. Step 2: Convert to fraction form
    13,075.62/19,611.36 = 5,678.09/x
  3. Step 3: Cross multiply
    13,075.62x = 19,611.36 × 5,678.09
  4. Step 4: Simplify right side
    13,075.62x = 111,355,130.33
  5. Step 5: Solve for x
    x = 111,355,130.33/13,075.62
  6. Step 6: Final answer
    x = 8,516.24

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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.