Home / 8,313.60-11,468.52-5,125.80

Finding the Fourth Proportional to 8,313.60, 11,468.52 and 5,125.80

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Solution

The fourth proportional to 8,313.60, 11,468.52 and 5,125.80 is: 7,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.60 : 11,468.52 = 5,125.80 : x
  2. Step 2: Convert to fraction form
    8,313.60/11,468.52 = 5,125.80/x
  3. Step 3: Cross multiply
    8,313.60x = 11,468.52 × 5,125.80
  4. Step 4: Simplify right side
    8,313.60x = 58,785,339.82
  5. Step 5: Solve for x
    x = 58,785,339.82/8,313.60
  6. Step 6: Final answer
    x = 7,070.98

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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.