Home / 8,566.43-11,820.30-5,207.45

Finding the Fourth Proportional to 8,566.43, 11,820.30 and 5,207.45

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Solution

The fourth proportional to 8,566.43, 11,820.30 and 5,207.45 is: 7,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.43 : 11,820.30 = 5,207.45 : x
  2. Step 2: Convert to fraction form
    8,566.43/11,820.30 = 5,207.45/x
  3. Step 3: Cross multiply
    8,566.43x = 11,820.30 × 5,207.45
  4. Step 4: Simplify right side
    8,566.43x = 61,553,621.24
  5. Step 5: Solve for x
    x = 61,553,621.24/8,566.43
  6. Step 6: Final answer
    x = 7,185.45

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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.