Home / 9,921.92-13,685.03-6,567.61

Finding the Fourth Proportional to 9,921.92, 13,685.03 and 6,567.61

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Solution

The fourth proportional to 9,921.92, 13,685.03 and 6,567.61 is: 9,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.92 : 13,685.03 = 6,567.61 : x
  2. Step 2: Convert to fraction form
    9,921.92/13,685.03 = 6,567.61/x
  3. Step 3: Cross multiply
    9,921.92x = 13,685.03 × 6,567.61
  4. Step 4: Simplify right side
    9,921.92x = 89,877,939.88
  5. Step 5: Solve for x
    x = 89,877,939.88/9,921.92
  6. Step 6: Final answer
    x = 9,058.52

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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.