Home / 8,566.51-11,820.88-4,789.28

Finding the Fourth Proportional to 8,566.51, 11,820.88 and 4,789.28

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Solution

The fourth proportional to 8,566.51, 11,820.88 and 4,789.28 is: 6,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.51 : 11,820.88 = 4,789.28 : x
  2. Step 2: Convert to fraction form
    8,566.51/11,820.88 = 4,789.28/x
  3. Step 3: Cross multiply
    8,566.51x = 11,820.88 × 4,789.28
  4. Step 4: Simplify right side
    8,566.51x = 56,613,480.22
  5. Step 5: Solve for x
    x = 56,613,480.22/8,566.51
  6. Step 6: Final answer
    x = 6,608.70

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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.