Home / 8,325.27-12,477.51-5,355.81

Finding the Fourth Proportional to 8,325.27, 12,477.51 and 5,355.81

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Solution

The fourth proportional to 8,325.27, 12,477.51 and 5,355.81 is: 8,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.27 : 12,477.51 = 5,355.81 : x
  2. Step 2: Convert to fraction form
    8,325.27/12,477.51 = 5,355.81/x
  3. Step 3: Cross multiply
    8,325.27x = 12,477.51 × 5,355.81
  4. Step 4: Simplify right side
    8,325.27x = 66,827,172.83
  5. Step 5: Solve for x
    x = 66,827,172.83/8,325.27
  6. Step 6: Final answer
    x = 8,027.03

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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.