Home / 10,426.68-15,642.36-3,501

Finding the Fourth Proportional to 10,426.68, 15,642.36 and 3,501

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Solution

The fourth proportional to 10,426.68, 15,642.36 and 3,501 is: 5,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.68 : 15,642.36 = 3,501 : x
  2. Step 2: Convert to fraction form
    10,426.68/15,642.36 = 3,501/x
  3. Step 3: Cross multiply
    10,426.68x = 15,642.36 × 3,501
  4. Step 4: Simplify right side
    10,426.68x = 54,763,902.36
  5. Step 5: Solve for x
    x = 54,763,902.36/10,426.68
  6. Step 6: Final answer
    x = 5,252.29

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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.