Home / 11,288.00-15,579.38-6,507.08

Finding the Fourth Proportional to 11,288.00, 15,579.38 and 6,507.08

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Solution

The fourth proportional to 11,288.00, 15,579.38 and 6,507.08 is: 8,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.00 : 15,579.38 = 6,507.08 : x
  2. Step 2: Convert to fraction form
    11,288.00/15,579.38 = 6,507.08/x
  3. Step 3: Cross multiply
    11,288.00x = 15,579.38 × 6,507.08
  4. Step 4: Simplify right side
    11,288.00x = 101,376,220.00
  5. Step 5: Solve for x
    x = 101,376,220.00/11,288.00
  6. Step 6: Final answer
    x = 8,980.88

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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.