Home / 9,329.04-12,891.23-6,806.88

Finding the Fourth Proportional to 9,329.04, 12,891.23 and 6,806.88

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Solution

The fourth proportional to 9,329.04, 12,891.23 and 6,806.88 is: 9,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.04 : 12,891.23 = 6,806.88 : x
  2. Step 2: Convert to fraction form
    9,329.04/12,891.23 = 6,806.88/x
  3. Step 3: Cross multiply
    9,329.04x = 12,891.23 × 6,806.88
  4. Step 4: Simplify right side
    9,329.04x = 87,749,055.66
  5. Step 5: Solve for x
    x = 87,749,055.66/9,329.04
  6. Step 6: Final answer
    x = 9,406.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.