Home / 8,609.46-11,875.44-6,215.52

Finding the Fourth Proportional to 8,609.46, 11,875.44 and 6,215.52

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Solution

The fourth proportional to 8,609.46, 11,875.44 and 6,215.52 is: 8,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.46 : 11,875.44 = 6,215.52 : x
  2. Step 2: Convert to fraction form
    8,609.46/11,875.44 = 6,215.52/x
  3. Step 3: Cross multiply
    8,609.46x = 11,875.44 × 6,215.52
  4. Step 4: Simplify right side
    8,609.46x = 73,812,034.83
  5. Step 5: Solve for x
    x = 73,812,034.83/8,609.46
  6. Step 6: Final answer
    x = 8,573.36

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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.