Home / 8,084.39-11,156.40-4,547.61

Finding the Fourth Proportional to 8,084.39, 11,156.40 and 4,547.61

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Solution

The fourth proportional to 8,084.39, 11,156.40 and 4,547.61 is: 6,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.39 : 11,156.40 = 4,547.61 : x
  2. Step 2: Convert to fraction form
    8,084.39/11,156.40 = 4,547.61/x
  3. Step 3: Cross multiply
    8,084.39x = 11,156.40 × 4,547.61
  4. Step 4: Simplify right side
    8,084.39x = 50,734,956.20
  5. Step 5: Solve for x
    x = 50,734,956.20/8,084.39
  6. Step 6: Final answer
    x = 6,275.67

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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.