Home / 12,056.90-16,635.30-7,809.26

Finding the Fourth Proportional to 12,056.90, 16,635.30 and 7,809.26

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Solution

The fourth proportional to 12,056.90, 16,635.30 and 7,809.26 is: 10,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.90 : 16,635.30 = 7,809.26 : x
  2. Step 2: Convert to fraction form
    12,056.90/16,635.30 = 7,809.26/x
  3. Step 3: Cross multiply
    12,056.90x = 16,635.30 × 7,809.26
  4. Step 4: Simplify right side
    12,056.90x = 129,909,299.70
  5. Step 5: Solve for x
    x = 129,909,299.70/12,056.90
  6. Step 6: Final answer
    x = 10,774.69

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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.