Home / 9,153.32-12,631.55-4,961.57

Finding the Fourth Proportional to 9,153.32, 12,631.55 and 4,961.57

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Solution

The fourth proportional to 9,153.32, 12,631.55 and 4,961.57 is: 6,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.32 : 12,631.55 = 4,961.57 : x
  2. Step 2: Convert to fraction form
    9,153.32/12,631.55 = 4,961.57/x
  3. Step 3: Cross multiply
    9,153.32x = 12,631.55 × 4,961.57
  4. Step 4: Simplify right side
    9,153.32x = 62,672,231.57
  5. Step 5: Solve for x
    x = 62,672,231.57/9,153.32
  6. Step 6: Final answer
    x = 6,846.94

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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.