Home / 15,807.56-23,713.90-4,861

Finding the Fourth Proportional to 15,807.56, 23,713.90 and 4,861

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Solution

The fourth proportional to 15,807.56, 23,713.90 and 4,861 is: 7,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.56 : 23,713.90 = 4,861 : x
  2. Step 2: Convert to fraction form
    15,807.56/23,713.90 = 4,861/x
  3. Step 3: Cross multiply
    15,807.56x = 23,713.90 × 4,861
  4. Step 4: Simplify right side
    15,807.56x = 115,273,267.90
  5. Step 5: Solve for x
    x = 115,273,267.90/15,807.56
  6. Step 6: Final answer
    x = 7,292.29

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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.