Home / 8,376.54-11,561.10-6,262.66

Finding the Fourth Proportional to 8,376.54, 11,561.10 and 6,262.66

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Solution

The fourth proportional to 8,376.54, 11,561.10 and 6,262.66 is: 8,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.54 : 11,561.10 = 6,262.66 : x
  2. Step 2: Convert to fraction form
    8,376.54/11,561.10 = 6,262.66/x
  3. Step 3: Cross multiply
    8,376.54x = 11,561.10 × 6,262.66
  4. Step 4: Simplify right side
    8,376.54x = 72,403,238.53
  5. Step 5: Solve for x
    x = 72,403,238.53/8,376.54
  6. Step 6: Final answer
    x = 8,643.57

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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.