Home / 11,116.36-15,345.30-6,926.68

Finding the Fourth Proportional to 11,116.36, 15,345.30 and 6,926.68

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Solution

The fourth proportional to 11,116.36, 15,345.30 and 6,926.68 is: 9,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.36 : 15,345.30 = 6,926.68 : x
  2. Step 2: Convert to fraction form
    11,116.36/15,345.30 = 6,926.68/x
  3. Step 3: Cross multiply
    11,116.36x = 15,345.30 × 6,926.68
  4. Step 4: Simplify right side
    11,116.36x = 106,291,982.60
  5. Step 5: Solve for x
    x = 106,291,982.60/11,116.36
  6. Step 6: Final answer
    x = 9,561.76

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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.