Home / 8,071.52-11,139.30-4,534.94

Finding the Fourth Proportional to 8,071.52, 11,139.30 and 4,534.94

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Solution

The fourth proportional to 8,071.52, 11,139.30 and 4,534.94 is: 6,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.52 : 11,139.30 = 4,534.94 : x
  2. Step 2: Convert to fraction form
    8,071.52/11,139.30 = 4,534.94/x
  3. Step 3: Cross multiply
    8,071.52x = 11,139.30 × 4,534.94
  4. Step 4: Simplify right side
    8,071.52x = 50,516,057.14
  5. Step 5: Solve for x
    x = 50,516,057.14/8,071.52
  6. Step 6: Final answer
    x = 6,258.56

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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.