Home / 10,551.36-15,821.73-3,528.93

Finding the Fourth Proportional to 10,551.36, 15,821.73 and 3,528.93

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Solution

The fourth proportional to 10,551.36, 15,821.73 and 3,528.93 is: 5,291.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.36 : 15,821.73 = 3,528.93 : x
  2. Step 2: Convert to fraction form
    10,551.36/15,821.73 = 3,528.93/x
  3. Step 3: Cross multiply
    10,551.36x = 15,821.73 × 3,528.93
  4. Step 4: Simplify right side
    10,551.36x = 55,833,777.65
  5. Step 5: Solve for x
    x = 55,833,777.65/10,551.36
  6. Step 6: Final answer
    x = 5,291.62

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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.