Home / 9,402.48-14,103.60-2,828.40

Finding the Fourth Proportional to 9,402.48, 14,103.60 and 2,828.40

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Solution

The fourth proportional to 9,402.48, 14,103.60 and 2,828.40 is: 4,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.48 : 14,103.60 = 2,828.40 : x
  2. Step 2: Convert to fraction form
    9,402.48/14,103.60 = 2,828.40/x
  3. Step 3: Cross multiply
    9,402.48x = 14,103.60 × 2,828.40
  4. Step 4: Simplify right side
    9,402.48x = 39,890,622.24
  5. Step 5: Solve for x
    x = 39,890,622.24/9,402.48
  6. Step 6: Final answer
    x = 4,242.56

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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.