Home / 8,808.91-12,150.02-5,453.37

Finding the Fourth Proportional to 8,808.91, 12,150.02 and 5,453.37

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Solution

The fourth proportional to 8,808.91, 12,150.02 and 5,453.37 is: 7,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.91 : 12,150.02 = 5,453.37 : x
  2. Step 2: Convert to fraction form
    8,808.91/12,150.02 = 5,453.37/x
  3. Step 3: Cross multiply
    8,808.91x = 12,150.02 × 5,453.37
  4. Step 4: Simplify right side
    8,808.91x = 66,258,568.20
  5. Step 5: Solve for x
    x = 66,258,568.20/8,808.91
  6. Step 6: Final answer
    x = 7,521.77

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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.