Home / 11,228.65-16,829.53-4,981.61

Finding the Fourth Proportional to 11,228.65, 16,829.53 and 4,981.61

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Solution

The fourth proportional to 11,228.65, 16,829.53 and 4,981.61 is: 7,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.65 : 16,829.53 = 4,981.61 : x
  2. Step 2: Convert to fraction form
    11,228.65/16,829.53 = 4,981.61/x
  3. Step 3: Cross multiply
    11,228.65x = 16,829.53 × 4,981.61
  4. Step 4: Simplify right side
    11,228.65x = 83,838,184.56
  5. Step 5: Solve for x
    x = 83,838,184.56/11,228.65
  6. Step 6: Final answer
    x = 7,466.45

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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.