Home / 11,655.57-16,084.79-6,875.62

Finding the Fourth Proportional to 11,655.57, 16,084.79 and 6,875.62

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Solution

The fourth proportional to 11,655.57, 16,084.79 and 6,875.62 is: 9,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.57 : 16,084.79 = 6,875.62 : x
  2. Step 2: Convert to fraction form
    11,655.57/16,084.79 = 6,875.62/x
  3. Step 3: Cross multiply
    11,655.57x = 16,084.79 × 6,875.62
  4. Step 4: Simplify right side
    11,655.57x = 110,592,903.82
  5. Step 5: Solve for x
    x = 110,592,903.82/11,655.57
  6. Step 6: Final answer
    x = 9,488.42

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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.