Home / 8,394.48-11,580.30-6,518.52

Finding the Fourth Proportional to 8,394.48, 11,580.30 and 6,518.52

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Solution

The fourth proportional to 8,394.48, 11,580.30 and 6,518.52 is: 8,992.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.48 : 11,580.30 = 6,518.52 : x
  2. Step 2: Convert to fraction form
    8,394.48/11,580.30 = 6,518.52/x
  3. Step 3: Cross multiply
    8,394.48x = 11,580.30 × 6,518.52
  4. Step 4: Simplify right side
    8,394.48x = 75,486,417.16
  5. Step 5: Solve for x
    x = 75,486,417.16/8,394.48
  6. Step 6: Final answer
    x = 8,992.39

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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.