Home / 11,303.40-16,965.61-5,760.91

Finding the Fourth Proportional to 11,303.40, 16,965.61 and 5,760.91

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Solution

The fourth proportional to 11,303.40, 16,965.61 and 5,760.91 is: 8,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.40 : 16,965.61 = 5,760.91 : x
  2. Step 2: Convert to fraction form
    11,303.40/16,965.61 = 5,760.91/x
  3. Step 3: Cross multiply
    11,303.40x = 16,965.61 × 5,760.91
  4. Step 4: Simplify right side
    11,303.40x = 97,737,267.48
  5. Step 5: Solve for x
    x = 97,737,267.48/11,303.40
  6. Step 6: Final answer
    x = 8,646.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.