Home / 12,028.08-16,598.32-6,722.76

Finding the Fourth Proportional to 12,028.08, 16,598.32 and 6,722.76

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Solution

The fourth proportional to 12,028.08, 16,598.32 and 6,722.76 is: 9,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.08 : 16,598.32 = 6,722.76 : x
  2. Step 2: Convert to fraction form
    12,028.08/16,598.32 = 6,722.76/x
  3. Step 3: Cross multiply
    12,028.08x = 16,598.32 × 6,722.76
  4. Step 4: Simplify right side
    12,028.08x = 111,586,521.76
  5. Step 5: Solve for x
    x = 111,586,521.76/12,028.08
  6. Step 6: Final answer
    x = 9,277.17

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Half scale
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Double scale
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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.