Home / 10,305.47-15,459.34-3,283.85

Finding the Fourth Proportional to 10,305.47, 15,459.34 and 3,283.85

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Solution

The fourth proportional to 10,305.47, 15,459.34 and 3,283.85 is: 4,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.47 : 15,459.34 = 3,283.85 : x
  2. Step 2: Convert to fraction form
    10,305.47/15,459.34 = 3,283.85/x
  3. Step 3: Cross multiply
    10,305.47x = 15,459.34 × 3,283.85
  4. Step 4: Simplify right side
    10,305.47x = 50,766,153.66
  5. Step 5: Solve for x
    x = 50,766,153.66/10,305.47
  6. Step 6: Final answer
    x = 4,926.14

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1.5x scale

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.