Home / 10,409.87-15,611.55-3,482.75

Finding the Fourth Proportional to 10,409.87, 15,611.55 and 3,482.75

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Solution

The fourth proportional to 10,409.87, 15,611.55 and 3,482.75 is: 5,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.87 : 15,611.55 = 3,482.75 : x
  2. Step 2: Convert to fraction form
    10,409.87/15,611.55 = 3,482.75/x
  3. Step 3: Cross multiply
    10,409.87x = 15,611.55 × 3,482.75
  4. Step 4: Simplify right side
    10,409.87x = 54,371,125.76
  5. Step 5: Solve for x
    x = 54,371,125.76/10,409.87
  6. Step 6: Final answer
    x = 5,223.04

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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.