Home / 9,163.08-12,644.28-5,386.37

Finding the Fourth Proportional to 9,163.08, 12,644.28 and 5,386.37

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Solution

The fourth proportional to 9,163.08, 12,644.28 and 5,386.37 is: 7,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.08 : 12,644.28 = 5,386.37 : x
  2. Step 2: Convert to fraction form
    9,163.08/12,644.28 = 5,386.37/x
  3. Step 3: Cross multiply
    9,163.08x = 12,644.28 × 5,386.37
  4. Step 4: Simplify right side
    9,163.08x = 68,106,707.24
  5. Step 5: Solve for x
    x = 68,106,707.24/9,163.08
  6. Step 6: Final answer
    x = 7,432.73

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Half scale
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Double scale
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Similar ratio
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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.