Home / 9,153.43-12,631.73-4,961.68

Finding the Fourth Proportional to 9,153.43, 12,631.73 and 4,961.68

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Solution

The fourth proportional to 9,153.43, 12,631.73 and 4,961.68 is: 6,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.43 : 12,631.73 = 4,961.68 : x
  2. Step 2: Convert to fraction form
    9,153.43/12,631.73 = 4,961.68/x
  3. Step 3: Cross multiply
    9,153.43x = 12,631.73 × 4,961.68
  4. Step 4: Simplify right side
    9,153.43x = 62,674,545.72
  5. Step 5: Solve for x
    x = 62,674,545.72/9,153.43
  6. Step 6: Final answer
    x = 6,847.11

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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.