Home / 8,025.81-12,036.80-3,345.89

Finding the Fourth Proportional to 8,025.81, 12,036.80 and 3,345.89

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Solution

The fourth proportional to 8,025.81, 12,036.80 and 3,345.89 is: 5,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.81 : 12,036.80 = 3,345.89 : x
  2. Step 2: Convert to fraction form
    8,025.81/12,036.80 = 3,345.89/x
  3. Step 3: Cross multiply
    8,025.81x = 12,036.80 × 3,345.89
  4. Step 4: Simplify right side
    8,025.81x = 40,273,808.75
  5. Step 5: Solve for x
    x = 40,273,808.75/8,025.81
  6. Step 6: Final answer
    x = 5,018.04

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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.