Home / 9,315.57-13,969.26-4,932.01

Finding the Fourth Proportional to 9,315.57, 13,969.26 and 4,932.01

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Solution

The fourth proportional to 9,315.57, 13,969.26 and 4,932.01 is: 7,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.57 : 13,969.26 = 4,932.01 : x
  2. Step 2: Convert to fraction form
    9,315.57/13,969.26 = 4,932.01/x
  3. Step 3: Cross multiply
    9,315.57x = 13,969.26 × 4,932.01
  4. Step 4: Simplify right side
    9,315.57x = 68,896,468.90
  5. Step 5: Solve for x
    x = 68,896,468.90/9,315.57
  6. Step 6: Final answer
    x = 7,395.84

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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.