Home / 9,163.18-12,645.19-5,184.21

Finding the Fourth Proportional to 9,163.18, 12,645.19 and 5,184.21

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Solution

The fourth proportional to 9,163.18, 12,645.19 and 5,184.21 is: 7,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.18 : 12,645.19 = 5,184.21 : x
  2. Step 2: Convert to fraction form
    9,163.18/12,645.19 = 5,184.21/x
  3. Step 3: Cross multiply
    9,163.18x = 12,645.19 × 5,184.21
  4. Step 4: Simplify right side
    9,163.18x = 65,555,320.45
  5. Step 5: Solve for x
    x = 65,555,320.45/9,163.18
  6. Step 6: Final answer
    x = 7,154.21

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Half scale
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Double scale
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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.