Home / 9,156.93-13,735.80-3,314.40

Finding the Fourth Proportional to 9,156.93, 13,735.80 and 3,314.40

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Solution

The fourth proportional to 9,156.93, 13,735.80 and 3,314.40 is: 4,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.93 : 13,735.80 = 3,314.40 : x
  2. Step 2: Convert to fraction form
    9,156.93/13,735.80 = 3,314.40/x
  3. Step 3: Cross multiply
    9,156.93x = 13,735.80 × 3,314.40
  4. Step 4: Simplify right side
    9,156.93x = 45,525,935.52
  5. Step 5: Solve for x
    x = 45,525,935.52/9,156.93
  6. Step 6: Final answer
    x = 4,971.75

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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.