Home / 12,715.35-19,077.03-5,701.35

Finding the Fourth Proportional to 12,715.35, 19,077.03 and 5,701.35

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Solution

The fourth proportional to 12,715.35, 19,077.03 and 5,701.35 is: 8,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.35 : 19,077.03 = 5,701.35 : x
  2. Step 2: Convert to fraction form
    12,715.35/19,077.03 = 5,701.35/x
  3. Step 3: Cross multiply
    12,715.35x = 19,077.03 × 5,701.35
  4. Step 4: Simplify right side
    12,715.35x = 108,764,824.99
  5. Step 5: Solve for x
    x = 108,764,824.99/12,715.35
  6. Step 6: Final answer
    x = 8,553.82

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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.