Home / 11,179.49-15,423.80-6,704.69

Finding the Fourth Proportional to 11,179.49, 15,423.80 and 6,704.69

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Solution

The fourth proportional to 11,179.49, 15,423.80 and 6,704.69 is: 9,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.49 : 15,423.80 = 6,704.69 : x
  2. Step 2: Convert to fraction form
    11,179.49/15,423.80 = 6,704.69/x
  3. Step 3: Cross multiply
    11,179.49x = 15,423.80 × 6,704.69
  4. Step 4: Simplify right side
    11,179.49x = 103,411,686.98
  5. Step 5: Solve for x
    x = 103,411,686.98/11,179.49
  6. Step 6: Final answer
    x = 9,250.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.