Home / 6,981.48-10,472.86-3,516.52

Finding the Fourth Proportional to 6,981.48, 10,472.86 and 3,516.52

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Solution

The fourth proportional to 6,981.48, 10,472.86 and 3,516.52 is: 5,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.48 : 10,472.86 = 3,516.52 : x
  2. Step 2: Convert to fraction form
    6,981.48/10,472.86 = 3,516.52/x
  3. Step 3: Cross multiply
    6,981.48x = 10,472.86 × 3,516.52
  4. Step 4: Simplify right side
    6,981.48x = 36,828,021.65
  5. Step 5: Solve for x
    x = 36,828,021.65/6,981.48
  6. Step 6: Final answer
    x = 5,275.10

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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.