Home / 12,339.23-17,022.11-8,088.42

Finding the Fourth Proportional to 12,339.23, 17,022.11 and 8,088.42

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Solution

The fourth proportional to 12,339.23, 17,022.11 and 8,088.42 is: 11,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.23 : 17,022.11 = 8,088.42 : x
  2. Step 2: Convert to fraction form
    12,339.23/17,022.11 = 8,088.42/x
  3. Step 3: Cross multiply
    12,339.23x = 17,022.11 × 8,088.42
  4. Step 4: Simplify right side
    12,339.23x = 137,681,960.35
  5. Step 5: Solve for x
    x = 137,681,960.35/12,339.23
  6. Step 6: Final answer
    x = 11,158.07

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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.