Home / 7,260.09-10,018.31-4,905.42

Finding the Fourth Proportional to 7,260.09, 10,018.31 and 4,905.42

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Solution

The fourth proportional to 7,260.09, 10,018.31 and 4,905.42 is: 6,769.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.09 : 10,018.31 = 4,905.42 : x
  2. Step 2: Convert to fraction form
    7,260.09/10,018.31 = 4,905.42/x
  3. Step 3: Cross multiply
    7,260.09x = 10,018.31 × 4,905.42
  4. Step 4: Simplify right side
    7,260.09x = 49,143,993.71
  5. Step 5: Solve for x
    x = 49,143,993.71/7,260.09
  6. Step 6: Final answer
    x = 6,769.06

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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.