Home / 9,153.06-12,631.11-4,961.22

Finding the Fourth Proportional to 9,153.06, 12,631.11 and 4,961.22

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Solution

The fourth proportional to 9,153.06, 12,631.11 and 4,961.22 is: 6,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.06 : 12,631.11 = 4,961.22 : x
  2. Step 2: Convert to fraction form
    9,153.06/12,631.11 = 4,961.22/x
  3. Step 3: Cross multiply
    9,153.06x = 12,631.11 × 4,961.22
  4. Step 4: Simplify right side
    9,153.06x = 62,665,715.55
  5. Step 5: Solve for x
    x = 62,665,715.55/9,153.06
  6. Step 6: Final answer
    x = 6,846.42

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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.