Home / 10,953.12-16,424.80-3,160.08

Finding the Fourth Proportional to 10,953.12, 16,424.80 and 3,160.08

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Solution

The fourth proportional to 10,953.12, 16,424.80 and 3,160.08 is: 4,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.12 : 16,424.80 = 3,160.08 : x
  2. Step 2: Convert to fraction form
    10,953.12/16,424.80 = 3,160.08/x
  3. Step 3: Cross multiply
    10,953.12x = 16,424.80 × 3,160.08
  4. Step 4: Simplify right side
    10,953.12x = 51,903,681.98
  5. Step 5: Solve for x
    x = 51,903,681.98/10,953.12
  6. Step 6: Final answer
    x = 4,738.71

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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.