Home / 8,539.75-11,782.84-5,182.48

Finding the Fourth Proportional to 8,539.75, 11,782.84 and 5,182.48

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Solution

The fourth proportional to 8,539.75, 11,782.84 and 5,182.48 is: 7,150.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.75 : 11,782.84 = 5,182.48 : x
  2. Step 2: Convert to fraction form
    8,539.75/11,782.84 = 5,182.48/x
  3. Step 3: Cross multiply
    8,539.75x = 11,782.84 × 5,182.48
  4. Step 4: Simplify right side
    8,539.75x = 61,064,332.64
  5. Step 5: Solve for x
    x = 61,064,332.64/8,539.75
  6. Step 6: Final answer
    x = 7,150.60

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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.