Home / 8,075.10-11,143.80-4,538.56

Finding the Fourth Proportional to 8,075.10, 11,143.80 and 4,538.56

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Solution

The fourth proportional to 8,075.10, 11,143.80 and 4,538.56 is: 6,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.10 : 11,143.80 = 4,538.56 : x
  2. Step 2: Convert to fraction form
    8,075.10/11,143.80 = 4,538.56/x
  3. Step 3: Cross multiply
    8,075.10x = 11,143.80 × 4,538.56
  4. Step 4: Simplify right side
    8,075.10x = 50,576,804.93
  5. Step 5: Solve for x
    x = 50,576,804.93/8,075.10
  6. Step 6: Final answer
    x = 6,263.30

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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.