Home / 7,719.74-11,586.12-5,969.46

Finding the Fourth Proportional to 7,719.74, 11,586.12 and 5,969.46

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Solution

The fourth proportional to 7,719.74, 11,586.12 and 5,969.46 is: 8,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.74 : 11,586.12 = 5,969.46 : x
  2. Step 2: Convert to fraction form
    7,719.74/11,586.12 = 5,969.46/x
  3. Step 3: Cross multiply
    7,719.74x = 11,586.12 × 5,969.46
  4. Step 4: Simplify right side
    7,719.74x = 69,162,879.90
  5. Step 5: Solve for x
    x = 69,162,879.90/7,719.74
  6. Step 6: Final answer
    x = 8,959.22

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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.