Home / 8,534.74-11,777.37-5,347.95

Finding the Fourth Proportional to 8,534.74, 11,777.37 and 5,347.95

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Solution

The fourth proportional to 8,534.74, 11,777.37 and 5,347.95 is: 7,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.74 : 11,777.37 = 5,347.95 : x
  2. Step 2: Convert to fraction form
    8,534.74/11,777.37 = 5,347.95/x
  3. Step 3: Cross multiply
    8,534.74x = 11,777.37 × 5,347.95
  4. Step 4: Simplify right side
    8,534.74x = 62,984,721.67
  5. Step 5: Solve for x
    x = 62,984,721.67/8,534.74
  6. Step 6: Final answer
    x = 7,379.81

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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.