Home / 11,036.36-15,208.08-8,518.88

Finding the Fourth Proportional to 11,036.36, 15,208.08 and 8,518.88

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Solution

The fourth proportional to 11,036.36, 15,208.08 and 8,518.88 is: 11,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.36 : 15,208.08 = 8,518.88 : x
  2. Step 2: Convert to fraction form
    11,036.36/15,208.08 = 8,518.88/x
  3. Step 3: Cross multiply
    11,036.36x = 15,208.08 × 8,518.88
  4. Step 4: Simplify right side
    11,036.36x = 129,555,808.55
  5. Step 5: Solve for x
    x = 129,555,808.55/11,036.36
  6. Step 6: Final answer
    x = 11,739.00

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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.