Home / 9,577.45-13,216.39-5,385.70

Finding the Fourth Proportional to 9,577.45, 13,216.39 and 5,385.70

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Solution

The fourth proportional to 9,577.45, 13,216.39 and 5,385.70 is: 7,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577.45 : 13,216.39 = 5,385.70 : x
  2. Step 2: Convert to fraction form
    9,577.45/13,216.39 = 5,385.70/x
  3. Step 3: Cross multiply
    9,577.45x = 13,216.39 × 5,385.70
  4. Step 4: Simplify right side
    9,577.45x = 71,179,511.62
  5. Step 5: Solve for x
    x = 71,179,511.62/9,577.45
  6. Step 6: Final answer
    x = 7,431.99

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Half scale
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Double scale
Find fourth proportional to 9,578.45, 13,217.77 and 5,386.70
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.