Home / 10,635.30-15,955.69-4,057.90

Finding the Fourth Proportional to 10,635.30, 15,955.69 and 4,057.90

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Solution

The fourth proportional to 10,635.30, 15,955.69 and 4,057.90 is: 6,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.30 : 15,955.69 = 4,057.90 : x
  2. Step 2: Convert to fraction form
    10,635.30/15,955.69 = 4,057.90/x
  3. Step 3: Cross multiply
    10,635.30x = 15,955.69 × 4,057.90
  4. Step 4: Simplify right side
    10,635.30x = 64,746,594.45
  5. Step 5: Solve for x
    x = 64,746,594.45/10,635.30
  6. Step 6: Final answer
    x = 6,087.90

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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.