Home / 8,176.08-11,281.32-4,638.36

Finding the Fourth Proportional to 8,176.08, 11,281.32 and 4,638.36

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Solution

The fourth proportional to 8,176.08, 11,281.32 and 4,638.36 is: 6,399.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.08 : 11,281.32 = 4,638.36 : x
  2. Step 2: Convert to fraction form
    8,176.08/11,281.32 = 4,638.36/x
  3. Step 3: Cross multiply
    8,176.08x = 11,281.32 × 4,638.36
  4. Step 4: Simplify right side
    8,176.08x = 52,326,823.44
  5. Step 5: Solve for x
    x = 52,326,823.44/8,176.08
  6. Step 6: Final answer
    x = 6,399.99

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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.