Home / 8,886.36-12,260.97-5,436.12

Finding the Fourth Proportional to 8,886.36, 12,260.97 and 5,436.12

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Solution

The fourth proportional to 8,886.36, 12,260.97 and 5,436.12 is: 7,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.36 : 12,260.97 = 5,436.12 : x
  2. Step 2: Convert to fraction form
    8,886.36/12,260.97 = 5,436.12/x
  3. Step 3: Cross multiply
    8,886.36x = 12,260.97 × 5,436.12
  4. Step 4: Simplify right side
    8,886.36x = 66,652,104.24
  5. Step 5: Solve for x
    x = 66,652,104.24/8,886.36
  6. Step 6: Final answer
    x = 7,500.50

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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.