Home / 10,436.49-15,654.51-2,539.05

Finding the Fourth Proportional to 10,436.49, 15,654.51 and 2,539.05

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Solution

The fourth proportional to 10,436.49, 15,654.51 and 2,539.05 is: 3,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.49 : 15,654.51 = 2,539.05 : x
  2. Step 2: Convert to fraction form
    10,436.49/15,654.51 = 2,539.05/x
  3. Step 3: Cross multiply
    10,436.49x = 15,654.51 × 2,539.05
  4. Step 4: Simplify right side
    10,436.49x = 39,747,583.62
  5. Step 5: Solve for x
    x = 39,747,583.62/10,436.49
  6. Step 6: Final answer
    x = 3,808.52

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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.