Home / 8,590.33-11,845.47-5,397.31

Finding the Fourth Proportional to 8,590.33, 11,845.47 and 5,397.31

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Solution

The fourth proportional to 8,590.33, 11,845.47 and 5,397.31 is: 7,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.33 : 11,845.47 = 5,397.31 : x
  2. Step 2: Convert to fraction form
    8,590.33/11,845.47 = 5,397.31/x
  3. Step 3: Cross multiply
    8,590.33x = 11,845.47 × 5,397.31
  4. Step 4: Simplify right side
    8,590.33x = 63,933,673.69
  5. Step 5: Solve for x
    x = 63,933,673.69/8,590.33
  6. Step 6: Final answer
    x = 7,442.52

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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.