Home / 9,345.48-12,896.57-5,153.73

Finding the Fourth Proportional to 9,345.48, 12,896.57 and 5,153.73

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Solution

The fourth proportional to 9,345.48, 12,896.57 and 5,153.73 is: 7,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.48 : 12,896.57 = 5,153.73 : x
  2. Step 2: Convert to fraction form
    9,345.48/12,896.57 = 5,153.73/x
  3. Step 3: Cross multiply
    9,345.48x = 12,896.57 × 5,153.73
  4. Step 4: Simplify right side
    9,345.48x = 66,465,375.24
  5. Step 5: Solve for x
    x = 66,465,375.24/9,345.48
  6. Step 6: Final answer
    x = 7,112.04

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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.