Home / 7,816.98-11,725.62-3,654.69

Finding the Fourth Proportional to 7,816.98, 11,725.62 and 3,654.69

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Solution

The fourth proportional to 7,816.98, 11,725.62 and 3,654.69 is: 5,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.98 : 11,725.62 = 3,654.69 : x
  2. Step 2: Convert to fraction form
    7,816.98/11,725.62 = 3,654.69/x
  3. Step 3: Cross multiply
    7,816.98x = 11,725.62 × 3,654.69
  4. Step 4: Simplify right side
    7,816.98x = 42,853,506.16
  5. Step 5: Solve for x
    x = 42,853,506.16/7,816.98
  6. Step 6: Final answer
    x = 5,482.11

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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.