Home / 11,700.24-16,146.36-6,395.12

Finding the Fourth Proportional to 11,700.24, 16,146.36 and 6,395.12

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Solution

The fourth proportional to 11,700.24, 16,146.36 and 6,395.12 is: 8,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.24 : 16,146.36 = 6,395.12 : x
  2. Step 2: Convert to fraction form
    11,700.24/16,146.36 = 6,395.12/x
  3. Step 3: Cross multiply
    11,700.24x = 16,146.36 × 6,395.12
  4. Step 4: Simplify right side
    11,700.24x = 103,257,909.76
  5. Step 5: Solve for x
    x = 103,257,909.76/11,700.24
  6. Step 6: Final answer
    x = 8,825.28

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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.