Home / 9,040.68-13,554.54-4,107.78

Finding the Fourth Proportional to 9,040.68, 13,554.54 and 4,107.78

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Solution

The fourth proportional to 9,040.68, 13,554.54 and 4,107.78 is: 6,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.68 : 13,554.54 = 4,107.78 : x
  2. Step 2: Convert to fraction form
    9,040.68/13,554.54 = 4,107.78/x
  3. Step 3: Cross multiply
    9,040.68x = 13,554.54 × 4,107.78
  4. Step 4: Simplify right side
    9,040.68x = 55,679,068.32
  5. Step 5: Solve for x
    x = 55,679,068.32/9,040.68
  6. Step 6: Final answer
    x = 6,158.73

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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.