Home / 8,580.30-11,842.35-5,043.69

Finding the Fourth Proportional to 8,580.30, 11,842.35 and 5,043.69

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Solution

The fourth proportional to 8,580.30, 11,842.35 and 5,043.69 is: 6,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.30 : 11,842.35 = 5,043.69 : x
  2. Step 2: Convert to fraction form
    8,580.30/11,842.35 = 5,043.69/x
  3. Step 3: Cross multiply
    8,580.30x = 11,842.35 × 5,043.69
  4. Step 4: Simplify right side
    8,580.30x = 59,729,142.27
  5. Step 5: Solve for x
    x = 59,729,142.27/8,580.30
  6. Step 6: Final answer
    x = 6,961.20

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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.