Home / 8,075.40-12,113.20-2,528.52

Finding the Fourth Proportional to 8,075.40, 12,113.20 and 2,528.52

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Solution

The fourth proportional to 8,075.40, 12,113.20 and 2,528.52 is: 3,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.40 : 12,113.20 = 2,528.52 : x
  2. Step 2: Convert to fraction form
    8,075.40/12,113.20 = 2,528.52/x
  3. Step 3: Cross multiply
    8,075.40x = 12,113.20 × 2,528.52
  4. Step 4: Simplify right side
    8,075.40x = 30,628,468.46
  5. Step 5: Solve for x
    x = 30,628,468.46/8,075.40
  6. Step 6: Final answer
    x = 3,792.81

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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.