Home / 10,195.81-14,069.60-5,718.73

Finding the Fourth Proportional to 10,195.81, 14,069.60 and 5,718.73

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Solution

The fourth proportional to 10,195.81, 14,069.60 and 5,718.73 is: 7,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.81 : 14,069.60 = 5,718.73 : x
  2. Step 2: Convert to fraction form
    10,195.81/14,069.60 = 5,718.73/x
  3. Step 3: Cross multiply
    10,195.81x = 14,069.60 × 5,718.73
  4. Step 4: Simplify right side
    10,195.81x = 80,460,215.01
  5. Step 5: Solve for x
    x = 80,460,215.01/10,195.81
  6. Step 6: Final answer
    x = 7,891.50

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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.