Home / 8,276.74-12,415.08-3,346.32

Finding the Fourth Proportional to 8,276.74, 12,415.08 and 3,346.32

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Solution

The fourth proportional to 8,276.74, 12,415.08 and 3,346.32 is: 5,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.74 : 12,415.08 = 3,346.32 : x
  2. Step 2: Convert to fraction form
    8,276.74/12,415.08 = 3,346.32/x
  3. Step 3: Cross multiply
    8,276.74x = 12,415.08 × 3,346.32
  4. Step 4: Simplify right side
    8,276.74x = 41,544,830.51
  5. Step 5: Solve for x
    x = 41,544,830.51/8,276.74
  6. Step 6: Final answer
    x = 5,019.47

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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.