Home / 9,288.04-13,933.28-4,905.68

Finding the Fourth Proportional to 9,288.04, 13,933.28 and 4,905.68

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Solution

The fourth proportional to 9,288.04, 13,933.28 and 4,905.68 is: 7,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.04 : 13,933.28 = 4,905.68 : x
  2. Step 2: Convert to fraction form
    9,288.04/13,933.28 = 4,905.68/x
  3. Step 3: Cross multiply
    9,288.04x = 13,933.28 × 4,905.68
  4. Step 4: Simplify right side
    9,288.04x = 68,352,213.03
  5. Step 5: Solve for x
    x = 68,352,213.03/9,288.04
  6. Step 6: Final answer
    x = 7,359.16

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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.