Home / 11,700.48-16,146.64-6,395.30

Finding the Fourth Proportional to 11,700.48, 16,146.64 and 6,395.30

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Solution

The fourth proportional to 11,700.48, 16,146.64 and 6,395.30 is: 8,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.48 : 16,146.64 = 6,395.30 : x
  2. Step 2: Convert to fraction form
    11,700.48/16,146.64 = 6,395.30/x
  3. Step 3: Cross multiply
    11,700.48x = 16,146.64 × 6,395.30
  4. Step 4: Simplify right side
    11,700.48x = 103,262,594.60
  5. Step 5: Solve for x
    x = 103,262,594.60/11,700.48
  6. Step 6: Final answer
    x = 8,825.50

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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.