Home / 10,371.13-14,317.26-7,186.84

Finding the Fourth Proportional to 10,371.13, 14,317.26 and 7,186.84

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Solution

The fourth proportional to 10,371.13, 14,317.26 and 7,186.84 is: 9,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.13 : 14,317.26 = 7,186.84 : x
  2. Step 2: Convert to fraction form
    10,371.13/14,317.26 = 7,186.84/x
  3. Step 3: Cross multiply
    10,371.13x = 14,317.26 × 7,186.84
  4. Step 4: Simplify right side
    10,371.13x = 102,895,785.27
  5. Step 5: Solve for x
    x = 102,895,785.27/10,371.13
  6. Step 6: Final answer
    x = 9,921.37

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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.