Home / 10,101.68-13,944.12-5,911.28

Finding the Fourth Proportional to 10,101.68, 13,944.12 and 5,911.28

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Solution

The fourth proportional to 10,101.68, 13,944.12 and 5,911.28 is: 8,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.68 : 13,944.12 = 5,911.28 : x
  2. Step 2: Convert to fraction form
    10,101.68/13,944.12 = 5,911.28/x
  3. Step 3: Cross multiply
    10,101.68x = 13,944.12 × 5,911.28
  4. Step 4: Simplify right side
    10,101.68x = 82,427,597.67
  5. Step 5: Solve for x
    x = 82,427,597.67/10,101.68
  6. Step 6: Final answer
    x = 8,159.79

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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.