Home / 8,459.64-11,679.57-5,435.98

Finding the Fourth Proportional to 8,459.64, 11,679.57 and 5,435.98

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Solution

The fourth proportional to 8,459.64, 11,679.57 and 5,435.98 is: 7,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.64 : 11,679.57 = 5,435.98 : x
  2. Step 2: Convert to fraction form
    8,459.64/11,679.57 = 5,435.98/x
  3. Step 3: Cross multiply
    8,459.64x = 11,679.57 × 5,435.98
  4. Step 4: Simplify right side
    8,459.64x = 63,489,879.73
  5. Step 5: Solve for x
    x = 63,489,879.73/8,459.64
  6. Step 6: Final answer
    x = 7,505.03

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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.