Home / 9,216.92-12,718.90-5,237.96

Finding the Fourth Proportional to 9,216.92, 12,718.90 and 5,237.96

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Solution

The fourth proportional to 9,216.92, 12,718.90 and 5,237.96 is: 7,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.92 : 12,718.90 = 5,237.96 : x
  2. Step 2: Convert to fraction form
    9,216.92/12,718.90 = 5,237.96/x
  3. Step 3: Cross multiply
    9,216.92x = 12,718.90 × 5,237.96
  4. Step 4: Simplify right side
    9,216.92x = 66,621,089.44
  5. Step 5: Solve for x
    x = 66,621,089.44/9,216.92
  6. Step 6: Final answer
    x = 7,228.13

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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.