Home / 9,332.11-12,876.87-5,555.17

Finding the Fourth Proportional to 9,332.11, 12,876.87 and 5,555.17

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Solution

The fourth proportional to 9,332.11, 12,876.87 and 5,555.17 is: 7,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.11 : 12,876.87 = 5,555.17 : x
  2. Step 2: Convert to fraction form
    9,332.11/12,876.87 = 5,555.17/x
  3. Step 3: Cross multiply
    9,332.11x = 12,876.87 × 5,555.17
  4. Step 4: Simplify right side
    9,332.11x = 71,533,201.92
  5. Step 5: Solve for x
    x = 71,533,201.92/9,332.11
  6. Step 6: Final answer
    x = 7,665.28

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Half scale
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Double scale
Find fourth proportional to 9,333.11, 12,878.25 and 5,556.17
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.