Home / 11,700.69-16,146.86-6,395.46

Finding the Fourth Proportional to 11,700.69, 16,146.86 and 6,395.46

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Solution

The fourth proportional to 11,700.69, 16,146.86 and 6,395.46 is: 8,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.69 : 16,146.86 = 6,395.46 : x
  2. Step 2: Convert to fraction form
    11,700.69/16,146.86 = 6,395.46/x
  3. Step 3: Cross multiply
    11,700.69x = 16,146.86 × 6,395.46
  4. Step 4: Simplify right side
    11,700.69x = 103,266,565.28
  5. Step 5: Solve for x
    x = 103,266,565.28/11,700.69
  6. Step 6: Final answer
    x = 8,825.68

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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.