Home / 9,331.78-12,873.69-5,352.10

Finding the Fourth Proportional to 9,331.78, 12,873.69 and 5,352.10

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Solution

The fourth proportional to 9,331.78, 12,873.69 and 5,352.10 is: 7,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.78 : 12,873.69 = 5,352.10 : x
  2. Step 2: Convert to fraction form
    9,331.78/12,873.69 = 5,352.10/x
  3. Step 3: Cross multiply
    9,331.78x = 12,873.69 × 5,352.10
  4. Step 4: Simplify right side
    9,331.78x = 68,901,276.25
  5. Step 5: Solve for x
    x = 68,901,276.25/9,331.78
  6. Step 6: Final answer
    x = 7,383.51

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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.