Home / 11,226.36-15,484.68-6,510.72

Finding the Fourth Proportional to 11,226.36, 15,484.68 and 6,510.72

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Solution

The fourth proportional to 11,226.36, 15,484.68 and 6,510.72 is: 8,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.36 : 15,484.68 = 6,510.72 : x
  2. Step 2: Convert to fraction form
    11,226.36/15,484.68 = 6,510.72/x
  3. Step 3: Cross multiply
    11,226.36x = 15,484.68 × 6,510.72
  4. Step 4: Simplify right side
    11,226.36x = 100,816,415.77
  5. Step 5: Solve for x
    x = 100,816,415.77/11,226.36
  6. Step 6: Final answer
    x = 8,980.33

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Half scale
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Double scale
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Similar ratio
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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.