Home / 8,632.39-12,948.05-3,085.46

Finding the Fourth Proportional to 8,632.39, 12,948.05 and 3,085.46

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Solution

The fourth proportional to 8,632.39, 12,948.05 and 3,085.46 is: 4,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.39 : 12,948.05 = 3,085.46 : x
  2. Step 2: Convert to fraction form
    8,632.39/12,948.05 = 3,085.46/x
  3. Step 3: Cross multiply
    8,632.39x = 12,948.05 × 3,085.46
  4. Step 4: Simplify right side
    8,632.39x = 39,950,681.88
  5. Step 5: Solve for x
    x = 39,950,681.88/8,632.39
  6. Step 6: Final answer
    x = 4,628.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.