Home / 10,482.29-15,722.22-3,907.75

Finding the Fourth Proportional to 10,482.29, 15,722.22 and 3,907.75

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Solution

The fourth proportional to 10,482.29, 15,722.22 and 3,907.75 is: 5,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.29 : 15,722.22 = 3,907.75 : x
  2. Step 2: Convert to fraction form
    10,482.29/15,722.22 = 3,907.75/x
  3. Step 3: Cross multiply
    10,482.29x = 15,722.22 × 3,907.75
  4. Step 4: Simplify right side
    10,482.29x = 61,438,505.21
  5. Step 5: Solve for x
    x = 61,438,505.21/10,482.29
  6. Step 6: Final answer
    x = 5,861.17

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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.