Home / 7,018.65-10,528.38-2,636.01

Finding the Fourth Proportional to 7,018.65, 10,528.38 and 2,636.01

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Solution

The fourth proportional to 7,018.65, 10,528.38 and 2,636.01 is: 3,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.65 : 10,528.38 = 2,636.01 : x
  2. Step 2: Convert to fraction form
    7,018.65/10,528.38 = 2,636.01/x
  3. Step 3: Cross multiply
    7,018.65x = 10,528.38 × 2,636.01
  4. Step 4: Simplify right side
    7,018.65x = 27,752,914.96
  5. Step 5: Solve for x
    x = 27,752,914.96/7,018.65
  6. Step 6: Final answer
    x = 3,954.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.