Home / 11,035.36-15,221.24-7,054.76

Finding the Fourth Proportional to 11,035.36, 15,221.24 and 7,054.76

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Solution

The fourth proportional to 11,035.36, 15,221.24 and 7,054.76 is: 9,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.36 : 15,221.24 = 7,054.76 : x
  2. Step 2: Convert to fraction form
    11,035.36/15,221.24 = 7,054.76/x
  3. Step 3: Cross multiply
    11,035.36x = 15,221.24 × 7,054.76
  4. Step 4: Simplify right side
    11,035.36x = 107,382,195.10
  5. Step 5: Solve for x
    x = 107,382,195.10/11,035.36
  6. Step 6: Final answer
    x = 9,730.74

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Half scale
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Double scale
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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.