Home / 10,664.91-14,716.08-6,188.85

Finding the Fourth Proportional to 10,664.91, 14,716.08 and 6,188.85

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Solution

The fourth proportional to 10,664.91, 14,716.08 and 6,188.85 is: 8,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.91 : 14,716.08 = 6,188.85 : x
  2. Step 2: Convert to fraction form
    10,664.91/14,716.08 = 6,188.85/x
  3. Step 3: Cross multiply
    10,664.91x = 14,716.08 × 6,188.85
  4. Step 4: Simplify right side
    10,664.91x = 91,075,611.71
  5. Step 5: Solve for x
    x = 91,075,611.71/10,664.91
  6. Step 6: Final answer
    x = 8,539.74

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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.