Home / 9,453.28-13,045.60-5,204.80

Finding the Fourth Proportional to 9,453.28, 13,045.60 and 5,204.80

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Solution

The fourth proportional to 9,453.28, 13,045.60 and 5,204.80 is: 7,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.28 : 13,045.60 = 5,204.80 : x
  2. Step 2: Convert to fraction form
    9,453.28/13,045.60 = 5,204.80/x
  3. Step 3: Cross multiply
    9,453.28x = 13,045.60 × 5,204.80
  4. Step 4: Simplify right side
    9,453.28x = 67,899,738.88
  5. Step 5: Solve for x
    x = 67,899,738.88/9,453.28
  6. Step 6: Final answer
    x = 7,182.66

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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.