Home / 8,435.22-12,653.08-2,195.10

Finding the Fourth Proportional to 8,435.22, 12,653.08 and 2,195.10

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Solution

The fourth proportional to 8,435.22, 12,653.08 and 2,195.10 is: 3,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.22 : 12,653.08 = 2,195.10 : x
  2. Step 2: Convert to fraction form
    8,435.22/12,653.08 = 2,195.10/x
  3. Step 3: Cross multiply
    8,435.22x = 12,653.08 × 2,195.10
  4. Step 4: Simplify right side
    8,435.22x = 27,774,775.91
  5. Step 5: Solve for x
    x = 27,774,775.91/8,435.22
  6. Step 6: Final answer
    x = 3,292.72

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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.