Home / 9,628.01-13,286.51-5,379.14

Finding the Fourth Proportional to 9,628.01, 13,286.51 and 5,379.14

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Solution

The fourth proportional to 9,628.01, 13,286.51 and 5,379.14 is: 7,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.01 : 13,286.51 = 5,379.14 : x
  2. Step 2: Convert to fraction form
    9,628.01/13,286.51 = 5,379.14/x
  3. Step 3: Cross multiply
    9,628.01x = 13,286.51 × 5,379.14
  4. Step 4: Simplify right side
    9,628.01x = 71,470,054.15
  5. Step 5: Solve for x
    x = 71,470,054.15/9,628.01
  6. Step 6: Final answer
    x = 7,423.14

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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.