Home / 10,371.87-14,313.38-5,656.32

Finding the Fourth Proportional to 10,371.87, 14,313.38 and 5,656.32

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Solution

The fourth proportional to 10,371.87, 14,313.38 and 5,656.32 is: 7,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.87 : 14,313.38 = 5,656.32 : x
  2. Step 2: Convert to fraction form
    10,371.87/14,313.38 = 5,656.32/x
  3. Step 3: Cross multiply
    10,371.87x = 14,313.38 × 5,656.32
  4. Step 4: Simplify right side
    10,371.87x = 80,961,029.28
  5. Step 5: Solve for x
    x = 80,961,029.28/10,371.87
  6. Step 6: Final answer
    x = 7,805.83

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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.