Home / 11,155.53-16,710.51-6,227.80

Finding the Fourth Proportional to 11,155.53, 16,710.51 and 6,227.80

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Solution

The fourth proportional to 11,155.53, 16,710.51 and 6,227.80 is: 9,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.53 : 16,710.51 = 6,227.80 : x
  2. Step 2: Convert to fraction form
    11,155.53/16,710.51 = 6,227.80/x
  3. Step 3: Cross multiply
    11,155.53x = 16,710.51 × 6,227.80
  4. Step 4: Simplify right side
    11,155.53x = 104,069,672.40
  5. Step 5: Solve for x
    x = 104,069,672.40/11,155.53
  6. Step 6: Final answer
    x = 9,328.98

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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.