Home / 9,315.07-13,967.20-3,763.87

Finding the Fourth Proportional to 9,315.07, 13,967.20 and 3,763.87

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Solution

The fourth proportional to 9,315.07, 13,967.20 and 3,763.87 is: 5,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.07 : 13,967.20 = 3,763.87 : x
  2. Step 2: Convert to fraction form
    9,315.07/13,967.20 = 3,763.87/x
  3. Step 3: Cross multiply
    9,315.07x = 13,967.20 × 3,763.87
  4. Step 4: Simplify right side
    9,315.07x = 52,570,725.06
  5. Step 5: Solve for x
    x = 52,570,725.06/9,315.07
  6. Step 6: Final answer
    x = 5,643.62

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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.