Home / 8,775.45-12,106.23-5,236.62

Finding the Fourth Proportional to 8,775.45, 12,106.23 and 5,236.62

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Solution

The fourth proportional to 8,775.45, 12,106.23 and 5,236.62 is: 7,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.45 : 12,106.23 = 5,236.62 : x
  2. Step 2: Convert to fraction form
    8,775.45/12,106.23 = 5,236.62/x
  3. Step 3: Cross multiply
    8,775.45x = 12,106.23 × 5,236.62
  4. Step 4: Simplify right side
    8,775.45x = 63,395,726.14
  5. Step 5: Solve for x
    x = 63,395,726.14/8,775.45
  6. Step 6: Final answer
    x = 7,224.21

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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.