Home / 12,330.41-17,011.18-7,853.36

Finding the Fourth Proportional to 12,330.41, 17,011.18 and 7,853.36

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Solution

The fourth proportional to 12,330.41, 17,011.18 and 7,853.36 is: 10,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.41 : 17,011.18 = 7,853.36 : x
  2. Step 2: Convert to fraction form
    12,330.41/17,011.18 = 7,853.36/x
  3. Step 3: Cross multiply
    12,330.41x = 17,011.18 × 7,853.36
  4. Step 4: Simplify right side
    12,330.41x = 133,594,920.56
  5. Step 5: Solve for x
    x = 133,594,920.56/12,330.41
  6. Step 6: Final answer
    x = 10,834.59

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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.