Home / 11,764.95-16,235.61-6,459.75

Finding the Fourth Proportional to 11,764.95, 16,235.61 and 6,459.75

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Solution

The fourth proportional to 11,764.95, 16,235.61 and 6,459.75 is: 8,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.95 : 16,235.61 = 6,459.75 : x
  2. Step 2: Convert to fraction form
    11,764.95/16,235.61 = 6,459.75/x
  3. Step 3: Cross multiply
    11,764.95x = 16,235.61 × 6,459.75
  4. Step 4: Simplify right side
    11,764.95x = 104,877,981.70
  5. Step 5: Solve for x
    x = 104,877,981.70/11,764.95
  6. Step 6: Final answer
    x = 8,914.44

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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.