Home / 10,818.70-14,929.92-6,039.10

Finding the Fourth Proportional to 10,818.70, 14,929.92 and 6,039.10

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Solution

The fourth proportional to 10,818.70, 14,929.92 and 6,039.10 is: 8,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.70 : 14,929.92 = 6,039.10 : x
  2. Step 2: Convert to fraction form
    10,818.70/14,929.92 = 6,039.10/x
  3. Step 3: Cross multiply
    10,818.70x = 14,929.92 × 6,039.10
  4. Step 4: Simplify right side
    10,818.70x = 90,163,279.87
  5. Step 5: Solve for x
    x = 90,163,279.87/10,818.70
  6. Step 6: Final answer
    x = 8,334.02

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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.