Home / 10,371.66-14,308.26-6,391.32

Finding the Fourth Proportional to 10,371.66, 14,308.26 and 6,391.32

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Solution

The fourth proportional to 10,371.66, 14,308.26 and 6,391.32 is: 8,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.66 : 14,308.26 = 6,391.32 : x
  2. Step 2: Convert to fraction form
    10,371.66/14,308.26 = 6,391.32/x
  3. Step 3: Cross multiply
    10,371.66x = 14,308.26 × 6,391.32
  4. Step 4: Simplify right side
    10,371.66x = 91,448,668.30
  5. Step 5: Solve for x
    x = 91,448,668.30/10,371.66
  6. Step 6: Final answer
    x = 8,817.17

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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.