Home / 10,075.28-15,112.67-4,814.01

Finding the Fourth Proportional to 10,075.28, 15,112.67 and 4,814.01

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Solution

The fourth proportional to 10,075.28, 15,112.67 and 4,814.01 is: 7,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.28 : 15,112.67 = 4,814.01 : x
  2. Step 2: Convert to fraction form
    10,075.28/15,112.67 = 4,814.01/x
  3. Step 3: Cross multiply
    10,075.28x = 15,112.67 × 4,814.01
  4. Step 4: Simplify right side
    10,075.28x = 72,752,520.44
  5. Step 5: Solve for x
    x = 72,752,520.44/10,075.28
  6. Step 6: Final answer
    x = 7,220.90

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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.