Home / 9,015.12-13,527.36-4,398

Finding the Fourth Proportional to 9,015.12, 13,527.36 and 4,398

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Solution

The fourth proportional to 9,015.12, 13,527.36 and 4,398 is: 6,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.12 : 13,527.36 = 4,398 : x
  2. Step 2: Convert to fraction form
    9,015.12/13,527.36 = 4,398/x
  3. Step 3: Cross multiply
    9,015.12x = 13,527.36 × 4,398
  4. Step 4: Simplify right side
    9,015.12x = 59,493,329.28
  5. Step 5: Solve for x
    x = 59,493,329.28/9,015.12
  6. Step 6: Final answer
    x = 6,599.28

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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.