Home / 10,985.60-16,478.40-6,052.70

Finding the Fourth Proportional to 10,985.60, 16,478.40 and 6,052.70

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Solution

The fourth proportional to 10,985.60, 16,478.40 and 6,052.70 is: 9,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.60 : 16,478.40 = 6,052.70 : x
  2. Step 2: Convert to fraction form
    10,985.60/16,478.40 = 6,052.70/x
  3. Step 3: Cross multiply
    10,985.60x = 16,478.40 × 6,052.70
  4. Step 4: Simplify right side
    10,985.60x = 99,738,811.68
  5. Step 5: Solve for x
    x = 99,738,811.68/10,985.60
  6. Step 6: Final answer
    x = 9,079.05

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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.