Home / 7,991.04-11,027.28-5,338.08

Finding the Fourth Proportional to 7,991.04, 11,027.28 and 5,338.08

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Solution

The fourth proportional to 7,991.04, 11,027.28 and 5,338.08 is: 7,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.04 : 11,027.28 = 5,338.08 : x
  2. Step 2: Convert to fraction form
    7,991.04/11,027.28 = 5,338.08/x
  3. Step 3: Cross multiply
    7,991.04x = 11,027.28 × 5,338.08
  4. Step 4: Simplify right side
    7,991.04x = 58,864,502.82
  5. Step 5: Solve for x
    x = 58,864,502.82/7,991.04
  6. Step 6: Final answer
    x = 7,366.31

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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.