Home / 10,236.84-15,346.13-3,995.40

Finding the Fourth Proportional to 10,236.84, 15,346.13 and 3,995.40

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Solution

The fourth proportional to 10,236.84, 15,346.13 and 3,995.40 is: 5,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.84 : 15,346.13 = 3,995.40 : x
  2. Step 2: Convert to fraction form
    10,236.84/15,346.13 = 3,995.40/x
  3. Step 3: Cross multiply
    10,236.84x = 15,346.13 × 3,995.40
  4. Step 4: Simplify right side
    10,236.84x = 61,313,927.80
  5. Step 5: Solve for x
    x = 61,313,927.80/10,236.84
  6. Step 6: Final answer
    x = 5,989.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.