Home / 9,217.18-12,718.28-5,183.22

Finding the Fourth Proportional to 9,217.18, 12,718.28 and 5,183.22

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Solution

The fourth proportional to 9,217.18, 12,718.28 and 5,183.22 is: 7,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.18 : 12,718.28 = 5,183.22 : x
  2. Step 2: Convert to fraction form
    9,217.18/12,718.28 = 5,183.22/x
  3. Step 3: Cross multiply
    9,217.18x = 12,718.28 × 5,183.22
  4. Step 4: Simplify right side
    9,217.18x = 65,921,643.26
  5. Step 5: Solve for x
    x = 65,921,643.26/9,217.18
  6. Step 6: Final answer
    x = 7,152.04

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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.