Home / 10,965.60-16,440.30-6,040.80

Finding the Fourth Proportional to 10,965.60, 16,440.30 and 6,040.80

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Solution

The fourth proportional to 10,965.60, 16,440.30 and 6,040.80 is: 9,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.60 : 16,440.30 = 6,040.80 : x
  2. Step 2: Convert to fraction form
    10,965.60/16,440.30 = 6,040.80/x
  3. Step 3: Cross multiply
    10,965.60x = 16,440.30 × 6,040.80
  4. Step 4: Simplify right side
    10,965.60x = 99,312,564.24
  5. Step 5: Solve for x
    x = 99,312,564.24/10,965.60
  6. Step 6: Final answer
    x = 9,056.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.