Home / 10,338.79-15,507.11-3,323.84

Finding the Fourth Proportional to 10,338.79, 15,507.11 and 3,323.84

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Solution

The fourth proportional to 10,338.79, 15,507.11 and 3,323.84 is: 4,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.79 : 15,507.11 = 3,323.84 : x
  2. Step 2: Convert to fraction form
    10,338.79/15,507.11 = 3,323.84/x
  3. Step 3: Cross multiply
    10,338.79x = 15,507.11 × 3,323.84
  4. Step 4: Simplify right side
    10,338.79x = 51,543,083.28
  5. Step 5: Solve for x
    x = 51,543,083.28/10,338.79
  6. Step 6: Final answer
    x = 4,985.41

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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.