Home / 10,856.39-14,982.08-6,076.28

Finding the Fourth Proportional to 10,856.39, 14,982.08 and 6,076.28

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Solution

The fourth proportional to 10,856.39, 14,982.08 and 6,076.28 is: 8,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.39 : 14,982.08 = 6,076.28 : x
  2. Step 2: Convert to fraction form
    10,856.39/14,982.08 = 6,076.28/x
  3. Step 3: Cross multiply
    10,856.39x = 14,982.08 × 6,076.28
  4. Step 4: Simplify right side
    10,856.39x = 91,035,320.14
  5. Step 5: Solve for x
    x = 91,035,320.14/10,856.39
  6. Step 6: Final answer
    x = 8,385.42

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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.