Home / 8,372.36-12,558.45-2,047.30

Finding the Fourth Proportional to 8,372.36, 12,558.45 and 2,047.30

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Solution

The fourth proportional to 8,372.36, 12,558.45 and 2,047.30 is: 3,070.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.36 : 12,558.45 = 2,047.30 : x
  2. Step 2: Convert to fraction form
    8,372.36/12,558.45 = 2,047.30/x
  3. Step 3: Cross multiply
    8,372.36x = 12,558.45 × 2,047.30
  4. Step 4: Simplify right side
    8,372.36x = 25,710,914.69
  5. Step 5: Solve for x
    x = 25,710,914.69/8,372.36
  6. Step 6: Final answer
    x = 3,070.93

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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.