Home / 9,188.32-12,680.40-4,996.48

Finding the Fourth Proportional to 9,188.32, 12,680.40 and 4,996.48

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Solution

The fourth proportional to 9,188.32, 12,680.40 and 4,996.48 is: 6,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.32 : 12,680.40 = 4,996.48 : x
  2. Step 2: Convert to fraction form
    9,188.32/12,680.40 = 4,996.48/x
  3. Step 3: Cross multiply
    9,188.32x = 12,680.40 × 4,996.48
  4. Step 4: Simplify right side
    9,188.32x = 63,357,364.99
  5. Step 5: Solve for x
    x = 63,357,364.99/9,188.32
  6. Step 6: Final answer
    x = 6,895.42

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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.