Home / 11,295.96-15,589.90-6,822.24

Finding the Fourth Proportional to 11,295.96, 15,589.90 and 6,822.24

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Solution

The fourth proportional to 11,295.96, 15,589.90 and 6,822.24 is: 9,415.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.96 : 15,589.90 = 6,822.24 : x
  2. Step 2: Convert to fraction form
    11,295.96/15,589.90 = 6,822.24/x
  3. Step 3: Cross multiply
    11,295.96x = 15,589.90 × 6,822.24
  4. Step 4: Simplify right side
    11,295.96x = 106,358,039.38
  5. Step 5: Solve for x
    x = 106,358,039.38/11,295.96
  6. Step 6: Final answer
    x = 9,415.58

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Half scale
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Double scale
Find fourth proportional to 11,296.96, 15,591.28 and 6,823.24
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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.