Home / 10,515.16-15,771.52-2,723.36

Finding the Fourth Proportional to 10,515.16, 15,771.52 and 2,723.36

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Solution

The fourth proportional to 10,515.16, 15,771.52 and 2,723.36 is: 4,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.16 : 15,771.52 = 2,723.36 : x
  2. Step 2: Convert to fraction form
    10,515.16/15,771.52 = 2,723.36/x
  3. Step 3: Cross multiply
    10,515.16x = 15,771.52 × 2,723.36
  4. Step 4: Simplify right side
    10,515.16x = 42,951,526.71
  5. Step 5: Solve for x
    x = 42,951,526.71/10,515.16
  6. Step 6: Final answer
    x = 4,084.72

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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.