Home / 11,808.79-16,295.52-6,503.50

Finding the Fourth Proportional to 11,808.79, 16,295.52 and 6,503.50

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Solution

The fourth proportional to 11,808.79, 16,295.52 and 6,503.50 is: 8,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.79 : 16,295.52 = 6,503.50 : x
  2. Step 2: Convert to fraction form
    11,808.79/16,295.52 = 6,503.50/x
  3. Step 3: Cross multiply
    11,808.79x = 16,295.52 × 6,503.50
  4. Step 4: Simplify right side
    11,808.79x = 105,977,914.32
  5. Step 5: Solve for x
    x = 105,977,914.32/11,808.79
  6. Step 6: Final answer
    x = 8,974.49

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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.