Home / 11,270.55-15,554.33-6,554.50

Finding the Fourth Proportional to 11,270.55, 15,554.33 and 6,554.50

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Solution

The fourth proportional to 11,270.55, 15,554.33 and 6,554.50 is: 9,045.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.55 : 15,554.33 = 6,554.50 : x
  2. Step 2: Convert to fraction form
    11,270.55/15,554.33 = 6,554.50/x
  3. Step 3: Cross multiply
    11,270.55x = 15,554.33 × 6,554.50
  4. Step 4: Simplify right side
    11,270.55x = 101,950,855.99
  5. Step 5: Solve for x
    x = 101,950,855.99/11,270.55
  6. Step 6: Final answer
    x = 9,045.77

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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.