Home / 12,009.89-16,572.95-6,705.04

Finding the Fourth Proportional to 12,009.89, 16,572.95 and 6,705.04

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Solution

The fourth proportional to 12,009.89, 16,572.95 and 6,705.04 is: 9,252.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.89 : 16,572.95 = 6,705.04 : x
  2. Step 2: Convert to fraction form
    12,009.89/16,572.95 = 6,705.04/x
  3. Step 3: Cross multiply
    12,009.89x = 16,572.95 × 6,705.04
  4. Step 4: Simplify right side
    12,009.89x = 111,122,217.71
  5. Step 5: Solve for x
    x = 111,122,217.71/12,009.89
  6. Step 6: Final answer
    x = 9,252.56

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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.