Home / 9,730.40-13,423.04-5,694.57

Finding the Fourth Proportional to 9,730.40, 13,423.04 and 5,694.57

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Solution

The fourth proportional to 9,730.40, 13,423.04 and 5,694.57 is: 7,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730.40 : 13,423.04 = 5,694.57 : x
  2. Step 2: Convert to fraction form
    9,730.40/13,423.04 = 5,694.57/x
  3. Step 3: Cross multiply
    9,730.40x = 13,423.04 × 5,694.57
  4. Step 4: Simplify right side
    9,730.40x = 76,438,449.79
  5. Step 5: Solve for x
    x = 76,438,449.79/9,730.40
  6. Step 6: Final answer
    x = 7,855.64

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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.