Home / 10,655.75-14,704.80-5,940.02

Finding the Fourth Proportional to 10,655.75, 14,704.80 and 5,940.02

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Solution

The fourth proportional to 10,655.75, 14,704.80 and 5,940.02 is: 8,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.75 : 14,704.80 = 5,940.02 : x
  2. Step 2: Convert to fraction form
    10,655.75/14,704.80 = 5,940.02/x
  3. Step 3: Cross multiply
    10,655.75x = 14,704.80 × 5,940.02
  4. Step 4: Simplify right side
    10,655.75x = 87,346,806.10
  5. Step 5: Solve for x
    x = 87,346,806.10/10,655.75
  6. Step 6: Final answer
    x = 8,197.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.