Home / 10,426.84-15,629.28-3,848.80

Finding the Fourth Proportional to 10,426.84, 15,629.28 and 3,848.80

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Solution

The fourth proportional to 10,426.84, 15,629.28 and 3,848.80 is: 5,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.84 : 15,629.28 = 3,848.80 : x
  2. Step 2: Convert to fraction form
    10,426.84/15,629.28 = 3,848.80/x
  3. Step 3: Cross multiply
    10,426.84x = 15,629.28 × 3,848.80
  4. Step 4: Simplify right side
    10,426.84x = 60,153,972.86
  5. Step 5: Solve for x
    x = 60,153,972.86/10,426.84
  6. Step 6: Final answer
    x = 5,769.15

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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.