Home / 9,315.17-13,969.80-3,074.02

Finding the Fourth Proportional to 9,315.17, 13,969.80 and 3,074.02

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Solution

The fourth proportional to 9,315.17, 13,969.80 and 3,074.02 is: 4,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.17 : 13,969.80 = 3,074.02 : x
  2. Step 2: Convert to fraction form
    9,315.17/13,969.80 = 3,074.02/x
  3. Step 3: Cross multiply
    9,315.17x = 13,969.80 × 3,074.02
  4. Step 4: Simplify right side
    9,315.17x = 42,943,450.53
  5. Step 5: Solve for x
    x = 42,943,450.53/9,315.17
  6. Step 6: Final answer
    x = 4,610.05

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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.