Home / 12,020.12-16,592.88-7,305.92

Finding the Fourth Proportional to 12,020.12, 16,592.88 and 7,305.92

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Solution

The fourth proportional to 12,020.12, 16,592.88 and 7,305.92 is: 10,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.12 : 16,592.88 = 7,305.92 : x
  2. Step 2: Convert to fraction form
    12,020.12/16,592.88 = 7,305.92/x
  3. Step 3: Cross multiply
    12,020.12x = 16,592.88 × 7,305.92
  4. Step 4: Simplify right side
    12,020.12x = 121,226,253.85
  5. Step 5: Solve for x
    x = 121,226,253.85/12,020.12
  6. Step 6: Final answer
    x = 10,085.28

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Half scale
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Double scale
Find fourth proportional to 12,021.12, 16,594.26 and 7,306.92
Similar ratio
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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.