Home / 11,011.62-15,195.55-6,296.21

Finding the Fourth Proportional to 11,011.62, 15,195.55 and 6,296.21

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Solution

The fourth proportional to 11,011.62, 15,195.55 and 6,296.21 is: 8,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.62 : 15,195.55 = 6,296.21 : x
  2. Step 2: Convert to fraction form
    11,011.62/15,195.55 = 6,296.21/x
  3. Step 3: Cross multiply
    11,011.62x = 15,195.55 × 6,296.21
  4. Step 4: Simplify right side
    11,011.62x = 95,674,373.87
  5. Step 5: Solve for x
    x = 95,674,373.87/11,011.62
  6. Step 6: Final answer
    x = 8,688.49

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Half scale
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Double scale
Find fourth proportional to 11,012.62, 15,196.93 and 6,297.21
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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.