Home / 8,075.72-11,144.54-4,538.90

Finding the Fourth Proportional to 8,075.72, 11,144.54 and 4,538.90

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Solution

The fourth proportional to 8,075.72, 11,144.54 and 4,538.90 is: 6,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.72 : 11,144.54 = 4,538.90 : x
  2. Step 2: Convert to fraction form
    8,075.72/11,144.54 = 4,538.90/x
  3. Step 3: Cross multiply
    8,075.72x = 11,144.54 × 4,538.90
  4. Step 4: Simplify right side
    8,075.72x = 50,583,929.91
  5. Step 5: Solve for x
    x = 50,583,929.91/8,075.72
  6. Step 6: Final answer
    x = 6,263.71

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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.