Home / 6,176.15-8,518.37-4,287.74

Finding the Fourth Proportional to 6,176.15, 8,518.37 and 4,287.74

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Solution

The fourth proportional to 6,176.15, 8,518.37 and 4,287.74 is: 5,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,176.15 : 8,518.37 = 4,287.74 : x
  2. Step 2: Convert to fraction form
    6,176.15/8,518.37 = 4,287.74/x
  3. Step 3: Cross multiply
    6,176.15x = 8,518.37 × 4,287.74
  4. Step 4: Simplify right side
    6,176.15x = 36,524,491.75
  5. Step 5: Solve for x
    x = 36,524,491.75/6,176.15
  6. Step 6: Final answer
    x = 5,913.80

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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.