Home / 7,432.46-11,148.69-1,886.22

Finding the Fourth Proportional to 7,432.46, 11,148.69 and 1,886.22

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Solution

The fourth proportional to 7,432.46, 11,148.69 and 1,886.22 is: 2,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.46 : 11,148.69 = 1,886.22 : x
  2. Step 2: Convert to fraction form
    7,432.46/11,148.69 = 1,886.22/x
  3. Step 3: Cross multiply
    7,432.46x = 11,148.69 × 1,886.22
  4. Step 4: Simplify right side
    7,432.46x = 21,028,882.05
  5. Step 5: Solve for x
    x = 21,028,882.05/7,432.46
  6. Step 6: Final answer
    x = 2,829.33

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.