Home / 8,075.54-12,113.24-2,153.02

Finding the Fourth Proportional to 8,075.54, 12,113.24 and 2,153.02

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Solution

The fourth proportional to 8,075.54, 12,113.24 and 2,153.02 is: 3,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.54 : 12,113.24 = 2,153.02 : x
  2. Step 2: Convert to fraction form
    8,075.54/12,113.24 = 2,153.02/x
  3. Step 3: Cross multiply
    8,075.54x = 12,113.24 × 2,153.02
  4. Step 4: Simplify right side
    8,075.54x = 26,080,047.98
  5. Step 5: Solve for x
    x = 26,080,047.98/8,075.54
  6. Step 6: Final answer
    x = 3,229.51

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Half scale
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Double scale
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Similar ratio
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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.