Home / 10,640.36-15,958.47-4,064.99

Finding the Fourth Proportional to 10,640.36, 15,958.47 and 4,064.99

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Solution

The fourth proportional to 10,640.36, 15,958.47 and 4,064.99 is: 6,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.36 : 15,958.47 = 4,064.99 : x
  2. Step 2: Convert to fraction form
    10,640.36/15,958.47 = 4,064.99/x
  3. Step 3: Cross multiply
    10,640.36x = 15,958.47 × 4,064.99
  4. Step 4: Simplify right side
    10,640.36x = 64,870,941.17
  5. Step 5: Solve for x
    x = 64,870,941.17/10,640.36
  6. Step 6: Final answer
    x = 6,096.69

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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.