Home / 8,540.13-11,785.26-4,763.58

Finding the Fourth Proportional to 8,540.13, 11,785.26 and 4,763.58

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Solution

The fourth proportional to 8,540.13, 11,785.26 and 4,763.58 is: 6,573.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.13 : 11,785.26 = 4,763.58 : x
  2. Step 2: Convert to fraction form
    8,540.13/11,785.26 = 4,763.58/x
  3. Step 3: Cross multiply
    8,540.13x = 11,785.26 × 4,763.58
  4. Step 4: Simplify right side
    8,540.13x = 56,140,028.83
  5. Step 5: Solve for x
    x = 56,140,028.83/8,540.13
  6. Step 6: Final answer
    x = 6,573.67

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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.