Home / 9,341.19-12,889.82-5,563.85

Finding the Fourth Proportional to 9,341.19, 12,889.82 and 5,563.85

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Solution

The fourth proportional to 9,341.19, 12,889.82 and 5,563.85 is: 7,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341.19 : 12,889.82 = 5,563.85 : x
  2. Step 2: Convert to fraction form
    9,341.19/12,889.82 = 5,563.85/x
  3. Step 3: Cross multiply
    9,341.19x = 12,889.82 × 5,563.85
  4. Step 4: Simplify right side
    9,341.19x = 71,716,974.47
  5. Step 5: Solve for x
    x = 71,716,974.47/9,341.19
  6. Step 6: Final answer
    x = 7,677.50

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Half scale
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Double scale
Find fourth proportional to 9,342.19, 12,891.20 and 5,564.85
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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.