Home / 9,151.08-12,627.96-5,173.02

Finding the Fourth Proportional to 9,151.08, 12,627.96 and 5,173.02

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Solution

The fourth proportional to 9,151.08, 12,627.96 and 5,173.02 is: 7,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.08 : 12,627.96 = 5,173.02 : x
  2. Step 2: Convert to fraction form
    9,151.08/12,627.96 = 5,173.02/x
  3. Step 3: Cross multiply
    9,151.08x = 12,627.96 × 5,173.02
  4. Step 4: Simplify right side
    9,151.08x = 65,324,689.64
  5. Step 5: Solve for x
    x = 65,324,689.64/9,151.08
  6. Step 6: Final answer
    x = 7,138.47

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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.