Home / 9,256.45-12,771.50-5,276.11

Finding the Fourth Proportional to 9,256.45, 12,771.50 and 5,276.11

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Solution

The fourth proportional to 9,256.45, 12,771.50 and 5,276.11 is: 7,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,256.45 : 12,771.50 = 5,276.11 : x
  2. Step 2: Convert to fraction form
    9,256.45/12,771.50 = 5,276.11/x
  3. Step 3: Cross multiply
    9,256.45x = 12,771.50 × 5,276.11
  4. Step 4: Simplify right side
    9,256.45x = 67,383,838.87
  5. Step 5: Solve for x
    x = 67,383,838.87/9,256.45
  6. Step 6: Final answer
    x = 7,279.66

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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.