Home / 10,646.74-15,972.33-3,626.20

Finding the Fourth Proportional to 10,646.74, 15,972.33 and 3,626.20

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Solution

The fourth proportional to 10,646.74, 15,972.33 and 3,626.20 is: 5,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.74 : 15,972.33 = 3,626.20 : x
  2. Step 2: Convert to fraction form
    10,646.74/15,972.33 = 3,626.20/x
  3. Step 3: Cross multiply
    10,646.74x = 15,972.33 × 3,626.20
  4. Step 4: Simplify right side
    10,646.74x = 57,918,836.71
  5. Step 5: Solve for x
    x = 57,918,836.71/10,646.74
  6. Step 6: Final answer
    x = 5,440.05

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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.