Home / 8,599.45-12,887.01-3,664.12

Finding the Fourth Proportional to 8,599.45, 12,887.01 and 3,664.12

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Solution

The fourth proportional to 8,599.45, 12,887.01 and 3,664.12 is: 5,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.45 : 12,887.01 = 3,664.12 : x
  2. Step 2: Convert to fraction form
    8,599.45/12,887.01 = 3,664.12/x
  3. Step 3: Cross multiply
    8,599.45x = 12,887.01 × 3,664.12
  4. Step 4: Simplify right side
    8,599.45x = 47,219,551.08
  5. Step 5: Solve for x
    x = 47,219,551.08/8,599.45
  6. Step 6: Final answer
    x = 5,491.00

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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.