Home / 8,123.08-11,209.50-4,586.60

Finding the Fourth Proportional to 8,123.08, 11,209.50 and 4,586.60

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Solution

The fourth proportional to 8,123.08, 11,209.50 and 4,586.60 is: 6,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.08 : 11,209.50 = 4,586.60 : x
  2. Step 2: Convert to fraction form
    8,123.08/11,209.50 = 4,586.60/x
  3. Step 3: Cross multiply
    8,123.08x = 11,209.50 × 4,586.60
  4. Step 4: Simplify right side
    8,123.08x = 51,413,492.70
  5. Step 5: Solve for x
    x = 51,413,492.70/8,123.08
  6. Step 6: Final answer
    x = 6,329.31

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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.