Home / 8,280.86-11,427.62-4,504.04

Finding the Fourth Proportional to 8,280.86, 11,427.62 and 4,504.04

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Solution

The fourth proportional to 8,280.86, 11,427.62 and 4,504.04 is: 6,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.86 : 11,427.62 = 4,504.04 : x
  2. Step 2: Convert to fraction form
    8,280.86/11,427.62 = 4,504.04/x
  3. Step 3: Cross multiply
    8,280.86x = 11,427.62 × 4,504.04
  4. Step 4: Simplify right side
    8,280.86x = 51,470,457.58
  5. Step 5: Solve for x
    x = 51,470,457.58/8,280.86
  6. Step 6: Final answer
    x = 6,215.59

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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.