Home / 7,315.80-10,968.88-4,153.32

Finding the Fourth Proportional to 7,315.80, 10,968.88 and 4,153.32

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Solution

The fourth proportional to 7,315.80, 10,968.88 and 4,153.32 is: 6,227.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.80 : 10,968.88 = 4,153.32 : x
  2. Step 2: Convert to fraction form
    7,315.80/10,968.88 = 4,153.32/x
  3. Step 3: Cross multiply
    7,315.80x = 10,968.88 × 4,153.32
  4. Step 4: Simplify right side
    7,315.80x = 45,557,268.68
  5. Step 5: Solve for x
    x = 45,557,268.68/7,315.80
  6. Step 6: Final answer
    x = 6,227.24

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1.5x scale

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.