Home / 9,712.20-14,579.10-7,530.60

Finding the Fourth Proportional to 9,712.20, 14,579.10 and 7,530.60

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Solution

The fourth proportional to 9,712.20, 14,579.10 and 7,530.60 is: 11,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.20 : 14,579.10 = 7,530.60 : x
  2. Step 2: Convert to fraction form
    9,712.20/14,579.10 = 7,530.60/x
  3. Step 3: Cross multiply
    9,712.20x = 14,579.10 × 7,530.60
  4. Step 4: Simplify right side
    9,712.20x = 109,789,370.46
  5. Step 5: Solve for x
    x = 109,789,370.46/9,712.20
  6. Step 6: Final answer
    x = 11,304.27

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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.