Home / 10,196.28-15,293.07-4,643.64

Finding the Fourth Proportional to 10,196.28, 15,293.07 and 4,643.64

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Solution

The fourth proportional to 10,196.28, 15,293.07 and 4,643.64 is: 6,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,196.28 : 15,293.07 = 4,643.64 : x
  2. Step 2: Convert to fraction form
    10,196.28/15,293.07 = 4,643.64/x
  3. Step 3: Cross multiply
    10,196.28x = 15,293.07 × 4,643.64
  4. Step 4: Simplify right side
    10,196.28x = 71,015,511.57
  5. Step 5: Solve for x
    x = 71,015,511.57/10,196.28
  6. Step 6: Final answer
    x = 6,964.85

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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.