Home / 12,069.36-16,657.72-8,934.56

Finding the Fourth Proportional to 12,069.36, 16,657.72 and 8,934.56

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Solution

The fourth proportional to 12,069.36, 16,657.72 and 8,934.56 is: 12,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.36 : 16,657.72 = 8,934.56 : x
  2. Step 2: Convert to fraction form
    12,069.36/16,657.72 = 8,934.56/x
  3. Step 3: Cross multiply
    12,069.36x = 16,657.72 × 8,934.56
  4. Step 4: Simplify right side
    12,069.36x = 148,829,398.80
  5. Step 5: Solve for x
    x = 148,829,398.80/12,069.36
  6. Step 6: Final answer
    x = 12,331.18

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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.