Home / 8,482.48-11,705.68-4,705.65

Finding the Fourth Proportional to 8,482.48, 11,705.68 and 4,705.65

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Solution

The fourth proportional to 8,482.48, 11,705.68 and 4,705.65 is: 6,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.48 : 11,705.68 = 4,705.65 : x
  2. Step 2: Convert to fraction form
    8,482.48/11,705.68 = 4,705.65/x
  3. Step 3: Cross multiply
    8,482.48x = 11,705.68 × 4,705.65
  4. Step 4: Simplify right side
    8,482.48x = 55,082,838.97
  5. Step 5: Solve for x
    x = 55,082,838.97/8,482.48
  6. Step 6: Final answer
    x = 6,493.72

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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.