Home / 10,746.85-16,120.29-5,818.81

Finding the Fourth Proportional to 10,746.85, 16,120.29 and 5,818.81

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Solution

The fourth proportional to 10,746.85, 16,120.29 and 5,818.81 is: 8,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.85 : 16,120.29 = 5,818.81 : x
  2. Step 2: Convert to fraction form
    10,746.85/16,120.29 = 5,818.81/x
  3. Step 3: Cross multiply
    10,746.85x = 16,120.29 × 5,818.81
  4. Step 4: Simplify right side
    10,746.85x = 93,800,904.65
  5. Step 5: Solve for x
    x = 93,800,904.65/10,746.85
  6. Step 6: Final answer
    x = 8,728.22

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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.