Home / 11,267.75-15,549.63-6,554.90

Finding the Fourth Proportional to 11,267.75, 15,549.63 and 6,554.90

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Solution

The fourth proportional to 11,267.75, 15,549.63 and 6,554.90 is: 9,045.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.75 : 15,549.63 = 6,554.90 : x
  2. Step 2: Convert to fraction form
    11,267.75/15,549.63 = 6,554.90/x
  3. Step 3: Cross multiply
    11,267.75x = 15,549.63 × 6,554.90
  4. Step 4: Simplify right side
    11,267.75x = 101,926,269.69
  5. Step 5: Solve for x
    x = 101,926,269.69/11,267.75
  6. Step 6: Final answer
    x = 9,045.84

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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.