Home / 7,351.99-10,139.88-4,836.70

Finding the Fourth Proportional to 7,351.99, 10,139.88 and 4,836.70

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Solution

The fourth proportional to 7,351.99, 10,139.88 and 4,836.70 is: 6,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.99 : 10,139.88 = 4,836.70 : x
  2. Step 2: Convert to fraction form
    7,351.99/10,139.88 = 4,836.70/x
  3. Step 3: Cross multiply
    7,351.99x = 10,139.88 × 4,836.70
  4. Step 4: Simplify right side
    7,351.99x = 49,043,557.60
  5. Step 5: Solve for x
    x = 49,043,557.60/7,351.99
  6. Step 6: Final answer
    x = 6,670.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.