Home / 8,276.85-12,415.41-2,434.05

Finding the Fourth Proportional to 8,276.85, 12,415.41 and 2,434.05

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Solution

The fourth proportional to 8,276.85, 12,415.41 and 2,434.05 is: 3,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.85 : 12,415.41 = 2,434.05 : x
  2. Step 2: Convert to fraction form
    8,276.85/12,415.41 = 2,434.05/x
  3. Step 3: Cross multiply
    8,276.85x = 12,415.41 × 2,434.05
  4. Step 4: Simplify right side
    8,276.85x = 30,219,728.71
  5. Step 5: Solve for x
    x = 30,219,728.71/8,276.85
  6. Step 6: Final answer
    x = 3,651.11

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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.