Home / 10,321.84-15,483.88-3,396.32

Finding the Fourth Proportional to 10,321.84, 15,483.88 and 3,396.32

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Solution

The fourth proportional to 10,321.84, 15,483.88 and 3,396.32 is: 5,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.84 : 15,483.88 = 3,396.32 : x
  2. Step 2: Convert to fraction form
    10,321.84/15,483.88 = 3,396.32/x
  3. Step 3: Cross multiply
    10,321.84x = 15,483.88 × 3,396.32
  4. Step 4: Simplify right side
    10,321.84x = 52,588,211.32
  5. Step 5: Solve for x
    x = 52,588,211.32/10,321.84
  6. Step 6: Final answer
    x = 5,094.85

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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.