Home / 8,319.98-11,480.63-4,784.33

Finding the Fourth Proportional to 8,319.98, 11,480.63 and 4,784.33

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Solution

The fourth proportional to 8,319.98, 11,480.63 and 4,784.33 is: 6,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.98 : 11,480.63 = 4,784.33 : x
  2. Step 2: Convert to fraction form
    8,319.98/11,480.63 = 4,784.33/x
  3. Step 3: Cross multiply
    8,319.98x = 11,480.63 × 4,784.33
  4. Step 4: Simplify right side
    8,319.98x = 54,927,127.31
  5. Step 5: Solve for x
    x = 54,927,127.31/8,319.98
  6. Step 6: Final answer
    x = 6,601.83

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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.