Home / 10,869.32-16,295.34-4,709

Finding the Fourth Proportional to 10,869.32, 16,295.34 and 4,709

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Solution

The fourth proportional to 10,869.32, 16,295.34 and 4,709 is: 7,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.32 : 16,295.34 = 4,709 : x
  2. Step 2: Convert to fraction form
    10,869.32/16,295.34 = 4,709/x
  3. Step 3: Cross multiply
    10,869.32x = 16,295.34 × 4,709
  4. Step 4: Simplify right side
    10,869.32x = 76,734,756.06
  5. Step 5: Solve for x
    x = 76,734,756.06/10,869.32
  6. Step 6: Final answer
    x = 7,059.76

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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.