Home / 11,123.58-16,658.63-6,365.31

Finding the Fourth Proportional to 11,123.58, 16,658.63 and 6,365.31

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Solution

The fourth proportional to 11,123.58, 16,658.63 and 6,365.31 is: 9,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.58 : 16,658.63 = 6,365.31 : x
  2. Step 2: Convert to fraction form
    11,123.58/16,658.63 = 6,365.31/x
  3. Step 3: Cross multiply
    11,123.58x = 16,658.63 × 6,365.31
  4. Step 4: Simplify right side
    11,123.58x = 106,037,312.30
  5. Step 5: Solve for x
    x = 106,037,312.30/11,123.58
  6. Step 6: Final answer
    x = 9,532.66

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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.