Home / 11,240.35-16,862.70-4,314.31

Finding the Fourth Proportional to 11,240.35, 16,862.70 and 4,314.31

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Solution

The fourth proportional to 11,240.35, 16,862.70 and 4,314.31 is: 6,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.35 : 16,862.70 = 4,314.31 : x
  2. Step 2: Convert to fraction form
    11,240.35/16,862.70 = 4,314.31/x
  3. Step 3: Cross multiply
    11,240.35x = 16,862.70 × 4,314.31
  4. Step 4: Simplify right side
    11,240.35x = 72,750,946.61
  5. Step 5: Solve for x
    x = 72,750,946.61/11,240.35
  6. Step 6: Final answer
    x = 6,472.30

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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.