Home / 10,359.43-15,530.63-4,116.76

Finding the Fourth Proportional to 10,359.43, 15,530.63 and 4,116.76

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Solution

The fourth proportional to 10,359.43, 15,530.63 and 4,116.76 is: 6,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.43 : 15,530.63 = 4,116.76 : x
  2. Step 2: Convert to fraction form
    10,359.43/15,530.63 = 4,116.76/x
  3. Step 3: Cross multiply
    10,359.43x = 15,530.63 × 4,116.76
  4. Step 4: Simplify right side
    10,359.43x = 63,935,876.36
  5. Step 5: Solve for x
    x = 63,935,876.36/10,359.43
  6. Step 6: Final answer
    x = 6,171.76

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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.