Home / 9,057.30-13,586.40-3,214.36

Finding the Fourth Proportional to 9,057.30, 13,586.40 and 3,214.36

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Solution

The fourth proportional to 9,057.30, 13,586.40 and 3,214.36 is: 4,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.30 : 13,586.40 = 3,214.36 : x
  2. Step 2: Convert to fraction form
    9,057.30/13,586.40 = 3,214.36/x
  3. Step 3: Cross multiply
    9,057.30x = 13,586.40 × 3,214.36
  4. Step 4: Simplify right side
    9,057.30x = 43,671,580.70
  5. Step 5: Solve for x
    x = 43,671,580.70/9,057.30
  6. Step 6: Final answer
    x = 4,821.70

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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.