Home / 12,080.16-16,671.56-6,775.47

Finding the Fourth Proportional to 12,080.16, 16,671.56 and 6,775.47

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Solution

The fourth proportional to 12,080.16, 16,671.56 and 6,775.47 is: 9,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.16 : 16,671.56 = 6,775.47 : x
  2. Step 2: Convert to fraction form
    12,080.16/16,671.56 = 6,775.47/x
  3. Step 3: Cross multiply
    12,080.16x = 16,671.56 × 6,775.47
  4. Step 4: Simplify right side
    12,080.16x = 112,957,620.76
  5. Step 5: Solve for x
    x = 112,957,620.76/12,080.16
  6. Step 6: Final answer
    x = 9,350.67

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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.