Home / 10,969.75-16,456.68-4,396.45

Finding the Fourth Proportional to 10,969.75, 16,456.68 and 4,396.45

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Solution

The fourth proportional to 10,969.75, 16,456.68 and 4,396.45 is: 6,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.75 : 16,456.68 = 4,396.45 : x
  2. Step 2: Convert to fraction form
    10,969.75/16,456.68 = 4,396.45/x
  3. Step 3: Cross multiply
    10,969.75x = 16,456.68 × 4,396.45
  4. Step 4: Simplify right side
    10,969.75x = 72,350,960.50
  5. Step 5: Solve for x
    x = 72,350,960.50/10,969.75
  6. Step 6: Final answer
    x = 6,595.50

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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.