Home / 9,338.33-12,886.11-5,358.60

Finding the Fourth Proportional to 9,338.33, 12,886.11 and 5,358.60

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Solution

The fourth proportional to 9,338.33, 12,886.11 and 5,358.60 is: 7,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.33 : 12,886.11 = 5,358.60 : x
  2. Step 2: Convert to fraction form
    9,338.33/12,886.11 = 5,358.60/x
  3. Step 3: Cross multiply
    9,338.33x = 12,886.11 × 5,358.60
  4. Step 4: Simplify right side
    9,338.33x = 69,051,509.05
  5. Step 5: Solve for x
    x = 69,051,509.05/9,338.33
  6. Step 6: Final answer
    x = 7,394.42

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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.