Home / 12,022.19-16,590.32-6,717.04

Finding the Fourth Proportional to 12,022.19, 16,590.32 and 6,717.04

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Solution

The fourth proportional to 12,022.19, 16,590.32 and 6,717.04 is: 9,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.19 : 16,590.32 = 6,717.04 : x
  2. Step 2: Convert to fraction form
    12,022.19/16,590.32 = 6,717.04/x
  3. Step 3: Cross multiply
    12,022.19x = 16,590.32 × 6,717.04
  4. Step 4: Simplify right side
    12,022.19x = 111,437,809.47
  5. Step 5: Solve for x
    x = 111,437,809.47/12,022.19
  6. Step 6: Final answer
    x = 9,269.34

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Half scale
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Double scale
Find fourth proportional to 12,023.19, 16,591.69 and 6,718.04
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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.