Home / 11,708.40-16,155.20-6,925.98

Finding the Fourth Proportional to 11,708.40, 16,155.20 and 6,925.98

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Solution

The fourth proportional to 11,708.40, 16,155.20 and 6,925.98 is: 9,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.40 : 16,155.20 = 6,925.98 : x
  2. Step 2: Convert to fraction form
    11,708.40/16,155.20 = 6,925.98/x
  3. Step 3: Cross multiply
    11,708.40x = 16,155.20 × 6,925.98
  4. Step 4: Simplify right side
    11,708.40x = 111,890,592.10
  5. Step 5: Solve for x
    x = 111,890,592.10/11,708.40
  6. Step 6: Final answer
    x = 9,556.44

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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.