Home / 9,727.14-13,423.52-5,535.39

Finding the Fourth Proportional to 9,727.14, 13,423.52 and 5,535.39

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Solution

The fourth proportional to 9,727.14, 13,423.52 and 5,535.39 is: 7,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,727.14 : 13,423.52 = 5,535.39 : x
  2. Step 2: Convert to fraction form
    9,727.14/13,423.52 = 5,535.39/x
  3. Step 3: Cross multiply
    9,727.14x = 13,423.52 × 5,535.39
  4. Step 4: Simplify right side
    9,727.14x = 74,304,390.70
  5. Step 5: Solve for x
    x = 74,304,390.70/9,727.14
  6. Step 6: Final answer
    x = 7,638.87

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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.