Home / 8,901.14-12,278.72-6,208.16

Finding the Fourth Proportional to 8,901.14, 12,278.72 and 6,208.16

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Solution

The fourth proportional to 8,901.14, 12,278.72 and 6,208.16 is: 8,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.14 : 12,278.72 = 6,208.16 : x
  2. Step 2: Convert to fraction form
    8,901.14/12,278.72 = 6,208.16/x
  3. Step 3: Cross multiply
    8,901.14x = 12,278.72 × 6,208.16
  4. Step 4: Simplify right side
    8,901.14x = 76,228,258.36
  5. Step 5: Solve for x
    x = 76,228,258.36/8,901.14
  6. Step 6: Final answer
    x = 8,563.88

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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.