Home / 9,789.48-13,500.52-6,430.96

Finding the Fourth Proportional to 9,789.48, 13,500.52 and 6,430.96

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Solution

The fourth proportional to 9,789.48, 13,500.52 and 6,430.96 is: 8,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.48 : 13,500.52 = 6,430.96 : x
  2. Step 2: Convert to fraction form
    9,789.48/13,500.52 = 6,430.96/x
  3. Step 3: Cross multiply
    9,789.48x = 13,500.52 × 6,430.96
  4. Step 4: Simplify right side
    9,789.48x = 86,821,304.10
  5. Step 5: Solve for x
    x = 86,821,304.10/9,789.48
  6. Step 6: Final answer
    x = 8,868.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.