Home / 8,534.16-11,777.67-5,177.07

Finding the Fourth Proportional to 8,534.16, 11,777.67 and 5,177.07

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Solution

The fourth proportional to 8,534.16, 11,777.67 and 5,177.07 is: 7,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.16 : 11,777.67 = 5,177.07 : x
  2. Step 2: Convert to fraction form
    8,534.16/11,777.67 = 5,177.07/x
  3. Step 3: Cross multiply
    8,534.16x = 11,777.67 × 5,177.07
  4. Step 4: Simplify right side
    8,534.16x = 60,973,822.03
  5. Step 5: Solve for x
    x = 60,973,822.03/8,534.16
  6. Step 6: Final answer
    x = 7,144.68

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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.