Home / 8,570.89-11,833.96-6,684.58

Finding the Fourth Proportional to 8,570.89, 11,833.96 and 6,684.58

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Solution

The fourth proportional to 8,570.89, 11,833.96 and 6,684.58 is: 9,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.89 : 11,833.96 = 6,684.58 : x
  2. Step 2: Convert to fraction form
    8,570.89/11,833.96 = 6,684.58/x
  3. Step 3: Cross multiply
    8,570.89x = 11,833.96 × 6,684.58
  4. Step 4: Simplify right side
    8,570.89x = 79,105,018.91
  5. Step 5: Solve for x
    x = 79,105,018.91/8,570.89
  6. Step 6: Final answer
    x = 9,229.50

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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.