Home / 9,153.64-12,632-4,961.90

Finding the Fourth Proportional to 9,153.64, 12,632 and 4,961.90

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Solution

The fourth proportional to 9,153.64, 12,632 and 4,961.90 is: 6,847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.64 : 12,632 = 4,961.90 : x
  2. Step 2: Convert to fraction form
    9,153.64/12,632 = 4,961.90/x
  3. Step 3: Cross multiply
    9,153.64x = 12,632 × 4,961.90
  4. Step 4: Simplify right side
    9,153.64x = 62,678,720.80
  5. Step 5: Solve for x
    x = 62,678,720.80/9,153.64
  6. Step 6: Final answer
    x = 6,847.41

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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.