Home / 10,900.63-16,350.04-4,325.05

Finding the Fourth Proportional to 10,900.63, 16,350.04 and 4,325.05

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Solution

The fourth proportional to 10,900.63, 16,350.04 and 4,325.05 is: 6,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.63 : 16,350.04 = 4,325.05 : x
  2. Step 2: Convert to fraction form
    10,900.63/16,350.04 = 4,325.05/x
  3. Step 3: Cross multiply
    10,900.63x = 16,350.04 × 4,325.05
  4. Step 4: Simplify right side
    10,900.63x = 70,714,740.50
  5. Step 5: Solve for x
    x = 70,714,740.50/10,900.63
  6. Step 6: Final answer
    x = 6,487.22

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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.