Home / 10,734.60-16,101.90-5,485.80

Finding the Fourth Proportional to 10,734.60, 16,101.90 and 5,485.80

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Solution

The fourth proportional to 10,734.60, 16,101.90 and 5,485.80 is: 8,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,734.60 : 16,101.90 = 5,485.80 : x
  2. Step 2: Convert to fraction form
    10,734.60/16,101.90 = 5,485.80/x
  3. Step 3: Cross multiply
    10,734.60x = 16,101.90 × 5,485.80
  4. Step 4: Simplify right side
    10,734.60x = 88,331,803.02
  5. Step 5: Solve for x
    x = 88,331,803.02/10,734.60
  6. Step 6: Final answer
    x = 8,228.70

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1.5x scale

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.