Home / 10,439.46-14,406.66-5,724

Finding the Fourth Proportional to 10,439.46, 14,406.66 and 5,724

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Solution

The fourth proportional to 10,439.46, 14,406.66 and 5,724 is: 7,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.46 : 14,406.66 = 5,724 : x
  2. Step 2: Convert to fraction form
    10,439.46/14,406.66 = 5,724/x
  3. Step 3: Cross multiply
    10,439.46x = 14,406.66 × 5,724
  4. Step 4: Simplify right side
    10,439.46x = 82,463,721.84
  5. Step 5: Solve for x
    x = 82,463,721.84/10,439.46
  6. Step 6: Final answer
    x = 7,899.23

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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.