Home / 10,439.64-14,406.41-5,963.30

Finding the Fourth Proportional to 10,439.64, 14,406.41 and 5,963.30

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Solution

The fourth proportional to 10,439.64, 14,406.41 and 5,963.30 is: 8,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.64 : 14,406.41 = 5,963.30 : x
  2. Step 2: Convert to fraction form
    10,439.64/14,406.41 = 5,963.30/x
  3. Step 3: Cross multiply
    10,439.64x = 14,406.41 × 5,963.30
  4. Step 4: Simplify right side
    10,439.64x = 85,909,744.75
  5. Step 5: Solve for x
    x = 85,909,744.75/10,439.64
  6. Step 6: Final answer
    x = 8,229.19

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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.