Home / 10,953.65-16,422.89-4,711.79

Finding the Fourth Proportional to 10,953.65, 16,422.89 and 4,711.79

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Solution

The fourth proportional to 10,953.65, 16,422.89 and 4,711.79 is: 7,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.65 : 16,422.89 = 4,711.79 : x
  2. Step 2: Convert to fraction form
    10,953.65/16,422.89 = 4,711.79/x
  3. Step 3: Cross multiply
    10,953.65x = 16,422.89 × 4,711.79
  4. Step 4: Simplify right side
    10,953.65x = 77,381,226.37
  5. Step 5: Solve for x
    x = 77,381,226.37/10,953.65
  6. Step 6: Final answer
    x = 7,064.42

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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.