Home / 10,819.68-14,931.11-6,039.35

Finding the Fourth Proportional to 10,819.68, 14,931.11 and 6,039.35

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Solution

The fourth proportional to 10,819.68, 14,931.11 and 6,039.35 is: 8,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.68 : 14,931.11 = 6,039.35 : x
  2. Step 2: Convert to fraction form
    10,819.68/14,931.11 = 6,039.35/x
  3. Step 3: Cross multiply
    10,819.68x = 14,931.11 × 6,039.35
  4. Step 4: Simplify right side
    10,819.68x = 90,174,206.31
  5. Step 5: Solve for x
    x = 90,174,206.31/10,819.68
  6. Step 6: Final answer
    x = 8,334.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.