Home / 10,380.19-14,325.01-5,664.73

Finding the Fourth Proportional to 10,380.19, 14,325.01 and 5,664.73

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Solution

The fourth proportional to 10,380.19, 14,325.01 and 5,664.73 is: 7,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.19 : 14,325.01 = 5,664.73 : x
  2. Step 2: Convert to fraction form
    10,380.19/14,325.01 = 5,664.73/x
  3. Step 3: Cross multiply
    10,380.19x = 14,325.01 × 5,664.73
  4. Step 4: Simplify right side
    10,380.19x = 81,147,313.90
  5. Step 5: Solve for x
    x = 81,147,313.90/10,380.19
  6. Step 6: Final answer
    x = 7,817.52

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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.