Home / 10,995.46-16,485.60-5,153.74

Finding the Fourth Proportional to 10,995.46, 16,485.60 and 5,153.74

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Solution

The fourth proportional to 10,995.46, 16,485.60 and 5,153.74 is: 7,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.46 : 16,485.60 = 5,153.74 : x
  2. Step 2: Convert to fraction form
    10,995.46/16,485.60 = 5,153.74/x
  3. Step 3: Cross multiply
    10,995.46x = 16,485.60 × 5,153.74
  4. Step 4: Simplify right side
    10,995.46x = 84,962,496.14
  5. Step 5: Solve for x
    x = 84,962,496.14/10,995.46
  6. Step 6: Final answer
    x = 7,727.05

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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.