Home / 10,919.07-16,378.59-2,711.07

Finding the Fourth Proportional to 10,919.07, 16,378.59 and 2,711.07

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Solution

The fourth proportional to 10,919.07, 16,378.59 and 2,711.07 is: 4,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.07 : 16,378.59 = 2,711.07 : x
  2. Step 2: Convert to fraction form
    10,919.07/16,378.59 = 2,711.07/x
  3. Step 3: Cross multiply
    10,919.07x = 16,378.59 × 2,711.07
  4. Step 4: Simplify right side
    10,919.07x = 44,403,503.99
  5. Step 5: Solve for x
    x = 44,403,503.99/10,919.07
  6. Step 6: Final answer
    x = 4,066.60

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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.