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Finding the Fourth Proportional to 8,482.08, 11,706.36 and 7,063.65

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Solution

The fourth proportional to 8,482.08, 11,706.36 and 7,063.65 is: 9,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.08 : 11,706.36 = 7,063.65 : x
  2. Step 2: Convert to fraction form
    8,482.08/11,706.36 = 7,063.65/x
  3. Step 3: Cross multiply
    8,482.08x = 11,706.36 × 7,063.65
  4. Step 4: Simplify right side
    8,482.08x = 82,689,629.81
  5. Step 5: Solve for x
    x = 82,689,629.81/8,482.08
  6. Step 6: Final answer
    x = 9,748.74

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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.