Home / 8,497.25-11,725.80-4,720.65

Finding the Fourth Proportional to 8,497.25, 11,725.80 and 4,720.65

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Solution

The fourth proportional to 8,497.25, 11,725.80 and 4,720.65 is: 6,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.25 : 11,725.80 = 4,720.65 : x
  2. Step 2: Convert to fraction form
    8,497.25/11,725.80 = 4,720.65/x
  3. Step 3: Cross multiply
    8,497.25x = 11,725.80 × 4,720.65
  4. Step 4: Simplify right side
    8,497.25x = 55,353,397.77
  5. Step 5: Solve for x
    x = 55,353,397.77/8,497.25
  6. Step 6: Final answer
    x = 6,514.28

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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.