Home / 11,293.84-15,586.32-6,818.68

Finding the Fourth Proportional to 11,293.84, 15,586.32 and 6,818.68

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Solution

The fourth proportional to 11,293.84, 15,586.32 and 6,818.68 is: 9,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.84 : 15,586.32 = 6,818.68 : x
  2. Step 2: Convert to fraction form
    11,293.84/15,586.32 = 6,818.68/x
  3. Step 3: Cross multiply
    11,293.84x = 15,586.32 × 6,818.68
  4. Step 4: Simplify right side
    11,293.84x = 106,278,128.46
  5. Step 5: Solve for x
    x = 106,278,128.46/11,293.84
  6. Step 6: Final answer
    x = 9,410.27

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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.